Finding the Fourth Proportional to 944,306.92, 1,303,143.57 and 514,586.92
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Solution
The fourth proportional to 944,306.92, 1,303,143.57 and 514,586.92 is: 710,129.96
Step by Step Solution
- Step 1: Write the proportion equation
944,306.92 : 1,303,143.57 = 514,586.92 : x - Step 2: Convert to fraction form
944,306.92/1,303,143.57 = 514,586.92/x - Step 3: Cross multiply
944,306.92x = 1,303,143.57 × 514,586.92 - Step 4: Simplify right side
944,306.92x = 670,580,636,004.10 - Step 5: Solve for x
x = 670,580,636,004.10/944,306.92 - Step 6: Final answer
x = 710,129.96
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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.