Home / 418,209.60-577,002-236,892.64

Finding the Fourth Proportional to 418,209.60, 577,002 and 236,892.64

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Solution

The fourth proportional to 418,209.60, 577,002 and 236,892.64 is: 326,839.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,209.60 : 577,002 = 236,892.64 : x
  2. Step 2: Convert to fraction form
    418,209.60/577,002 = 236,892.64/x
  3. Step 3: Cross multiply
    418,209.60x = 577,002 × 236,892.64
  4. Step 4: Simplify right side
    418,209.60x = 136,687,527,065.28
  5. Step 5: Solve for x
    x = 136,687,527,065.28/418,209.60
  6. Step 6: Final answer
    x = 326,839.76

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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.