Home / 381,788.22-527,131.35-238,612.62

Finding the Fourth Proportional to 381,788.22, 527,131.35 and 238,612.62

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Solution

The fourth proportional to 381,788.22, 527,131.35 and 238,612.62 is: 329,450.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,788.22 : 527,131.35 = 238,612.62 : x
  2. Step 2: Convert to fraction form
    381,788.22/527,131.35 = 238,612.62/x
  3. Step 3: Cross multiply
    381,788.22x = 527,131.35 × 238,612.62
  4. Step 4: Simplify right side
    381,788.22x = 125,780,192,507.64
  5. Step 5: Solve for x
    x = 125,780,192,507.64/381,788.22
  6. Step 6: Final answer
    x = 329,450.17

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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.