Finding the Fourth Proportional to 749,073.75, 1,033,721.78 and 409,542
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Solution
The fourth proportional to 749,073.75, 1,033,721.78 and 409,542 is: 565,167.96
Step by Step Solution
- Step 1: Write the proportion equation
749,073.75 : 1,033,721.78 = 409,542 : x - Step 2: Convert to fraction form
749,073.75/1,033,721.78 = 409,542/x - Step 3: Cross multiply
749,073.75x = 1,033,721.78 × 409,542 - Step 4: Simplify right side
749,073.75x = 423,352,483,177.05 - Step 5: Solve for x
x = 423,352,483,177.05/749,073.75 - Step 6: Final answer
x = 565,167.96
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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.