Finding the Fourth Proportional to 747,299.67, 1,031,414.18 and 468,026.27
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Solution
The fourth proportional to 747,299.67, 1,031,414.18 and 468,026.27 is: 645,964.33
Step by Step Solution
- Step 1: Write the proportion equation
747,299.67 : 1,031,414.18 = 468,026.27 : x - Step 2: Convert to fraction form
747,299.67/1,031,414.18 = 468,026.27/x - Step 3: Cross multiply
747,299.67x = 1,031,414.18 × 468,026.27 - Step 4: Simplify right side
747,299.67x = 482,728,931,728.91 - Step 5: Solve for x
x = 482,728,931,728.91/747,299.67 - Step 6: Final answer
x = 645,964.33
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1.5x scale
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.