#### Solution for 45 is what percent of 639:

45:639*100 =

(45*100):639 =

4500:639 = 7.04

Now we have: 45 is what percent of 639 = 7.04

Question: 45 is what percent of 639?

Percentage solution with steps:

Step 1: We make the assumption that 639 is 100% since it is our output value.

Step 2: We next represent the value we seek with {x}.

Step 3: From step 1, it follows that {100\%}={639}.

Step 4: In the same vein, {x\%}={45}.

Step 5: This gives us a pair of simple equations:

{100\%}={639}(1).

{x\%}={45}(2).

Step 6: By simply dividing equation 1 by equation 2 and taking note of the fact that both the LHS
(left hand side) of both equations have the same unit (%); we have

\frac{100\%}{x\%}=\frac{639}{45}

Step 7: Taking the inverse (or reciprocal) of both sides yields

\frac{x\%}{100\%}=\frac{45}{639}

\Rightarrow{x} = {7.04\%}

Therefore, {45} is {7.04\%} of {639}.

#### Solution for 639 is what percent of 45:

639:45*100 =

(639*100):45 =

63900:45 = 1420

Now we have: 639 is what percent of 45 = 1420

Question: 639 is what percent of 45?

Percentage solution with steps:

Step 1: We make the assumption that 45 is 100% since it is our output value.

Step 2: We next represent the value we seek with {x}.

Step 3: From step 1, it follows that {100\%}={45}.

Step 4: In the same vein, {x\%}={639}.

Step 5: This gives us a pair of simple equations:

{100\%}={45}(1).

{x\%}={639}(2).

Step 6: By simply dividing equation 1 by equation 2 and taking note of the fact that both the LHS
(left hand side) of both equations have the same unit (%); we have

\frac{100\%}{x\%}=\frac{45}{639}

Step 7: Taking the inverse (or reciprocal) of both sides yields

\frac{x\%}{100\%}=\frac{639}{45}

\Rightarrow{x} = {1420\%}

Therefore, {639} is {1420\%} of {45}.

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