Home / 418,719.17-577,815.85-227,732.51

Finding the Fourth Proportional to 418,719.17, 577,815.85 and 227,732.51

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Solution

The fourth proportional to 418,719.17, 577,815.85 and 227,732.51 is: 314,261.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,719.17 : 577,815.85 = 227,732.51 : x
  2. Step 2: Convert to fraction form
    418,719.17/577,815.85 = 227,732.51/x
  3. Step 3: Cross multiply
    418,719.17x = 577,815.85 × 227,732.51
  4. Step 4: Simplify right side
    418,719.17x = 131,587,453,838.28
  5. Step 5: Solve for x
    x = 131,587,453,838.28/418,719.17
  6. Step 6: Final answer
    x = 314,261.83

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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.