Home / 418,545.12-577,612.01-237,260.58

Finding the Fourth Proportional to 418,545.12, 577,612.01 and 237,260.58

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Solution

The fourth proportional to 418,545.12, 577,612.01 and 237,260.58 is: 327,430.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,545.12 : 577,612.01 = 237,260.58 : x
  2. Step 2: Convert to fraction form
    418,545.12/577,612.01 = 237,260.58/x
  3. Step 3: Cross multiply
    418,545.12x = 577,612.01 × 237,260.58
  4. Step 4: Simplify right side
    418,545.12x = 137,044,558,934.67
  5. Step 5: Solve for x
    x = 137,044,558,934.67/418,545.12
  6. Step 6: Final answer
    x = 327,430.79

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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.