Home / 381,797.24-527,143.78-238,621.64

Finding the Fourth Proportional to 381,797.24, 527,143.78 and 238,621.64

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Solution

The fourth proportional to 381,797.24, 527,143.78 and 238,621.64 is: 329,462.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,797.24 : 527,143.78 = 238,621.64 : x
  2. Step 2: Convert to fraction form
    381,797.24/527,143.78 = 238,621.64/x
  3. Step 3: Cross multiply
    381,797.24x = 527,143.78 × 238,621.64
  4. Step 4: Simplify right side
    381,797.24x = 125,787,913,299.40
  5. Step 5: Solve for x
    x = 125,787,913,299.40/381,797.24
  6. Step 6: Final answer
    x = 329,462.61

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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.