Home / 400,280.24-552,374.52-239,098.88

Finding the Fourth Proportional to 400,280.24, 552,374.52 and 239,098.88

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Solution

The fourth proportional to 400,280.24, 552,374.52 and 239,098.88 is: 329,949.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,280.24 : 552,374.52 = 239,098.88 : x
  2. Step 2: Convert to fraction form
    400,280.24/552,374.52 = 239,098.88/x
  3. Step 3: Cross multiply
    400,280.24x = 552,374.52 × 239,098.88
  4. Step 4: Simplify right side
    400,280.24x = 132,072,129,072.54
  5. Step 5: Solve for x
    x = 132,072,129,072.54/400,280.24
  6. Step 6: Final answer
    x = 329,949.16

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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.