Home / 816,737.68-1,127,098.92-454,153.78

Finding the Fourth Proportional to 816,737.68, 1,127,098.92 and 454,153.78

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Solution

The fourth proportional to 816,737.68, 1,127,098.92 and 454,153.78 is: 626,732.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,737.68 : 1,127,098.92 = 454,153.78 : x
  2. Step 2: Convert to fraction form
    816,737.68/1,127,098.92 = 454,153.78/x
  3. Step 3: Cross multiply
    816,737.68x = 1,127,098.92 × 454,153.78
  4. Step 4: Simplify right side
    816,737.68x = 511,876,234,951.92
  5. Step 5: Solve for x
    x = 511,876,234,951.92/816,737.68
  6. Step 6: Final answer
    x = 626,732.73

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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.