Home / 386,227.11-578,593.38-217,233.97

Finding the Fourth Proportional to 386,227.11, 578,593.38 and 217,233.97

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Solution

The fourth proportional to 386,227.11, 578,593.38 and 217,233.97 is: 325,430.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,227.11 : 578,593.38 = 217,233.97 : x
  2. Step 2: Convert to fraction form
    386,227.11/578,593.38 = 217,233.97/x
  3. Step 3: Cross multiply
    386,227.11x = 578,593.38 × 217,233.97
  4. Step 4: Simplify right side
    386,227.11x = 125,690,138,490.99
  5. Step 5: Solve for x
    x = 125,690,138,490.99/386,227.11
  6. Step 6: Final answer
    x = 325,430.65

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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.