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Finding the Fourth Proportional to 816,874.71, 1,224,404.06 and 616,545.51

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Solution

The fourth proportional to 816,874.71, 1,224,404.06 and 616,545.51 is: 924,132.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,874.71 : 1,224,404.06 = 616,545.51 : x
  2. Step 2: Convert to fraction form
    816,874.71/1,224,404.06 = 616,545.51/x
  3. Step 3: Cross multiply
    816,874.71x = 1,224,404.06 × 616,545.51
  4. Step 4: Simplify right side
    816,874.71x = 754,900,822,536.04
  5. Step 5: Solve for x
    x = 754,900,822,536.04/816,874.71
  6. Step 6: Final answer
    x = 924,132.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.