Home / 676,521.96-932,956.10-404,545.56

Finding the Fourth Proportional to 676,521.96, 932,956.10 and 404,545.56

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Solution

The fourth proportional to 676,521.96, 932,956.10 and 404,545.56 is: 557,887.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,521.96 : 932,956.10 = 404,545.56 : x
  2. Step 2: Convert to fraction form
    676,521.96/932,956.10 = 404,545.56/x
  3. Step 3: Cross multiply
    676,521.96x = 932,956.10 × 404,545.56
  4. Step 4: Simplify right side
    676,521.96x = 377,423,247,929.92
  5. Step 5: Solve for x
    x = 377,423,247,929.92/676,521.96
  6. Step 6: Final answer
    x = 557,887.65

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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.