Finding the Fourth Proportional to 747,538.56, 1,031,736.96 and 445,752
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Solution
The fourth proportional to 747,538.56, 1,031,736.96 and 445,752 is: 615,217.51
Step by Step Solution
- Step 1: Write the proportion equation
747,538.56 : 1,031,736.96 = 445,752 : x - Step 2: Convert to fraction form
747,538.56/1,031,736.96 = 445,752/x - Step 3: Cross multiply
747,538.56x = 1,031,736.96 × 445,752 - Step 4: Simplify right side
747,538.56x = 459,898,813,393.92 - Step 5: Solve for x
x = 459,898,813,393.92/747,538.56 - Step 6: Final answer
x = 615,217.51
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.