Home / 409,184.88-564,652.92-225,387.72

Finding the Fourth Proportional to 409,184.88, 564,652.92 and 225,387.72

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Solution

The fourth proportional to 409,184.88, 564,652.92 and 225,387.72 is: 311,022.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,184.88 : 564,652.92 = 225,387.72 : x
  2. Step 2: Convert to fraction form
    409,184.88/564,652.92 = 225,387.72/x
  3. Step 3: Cross multiply
    409,184.88x = 564,652.92 × 225,387.72
  4. Step 4: Simplify right side
    409,184.88x = 127,265,834,230.14
  5. Step 5: Solve for x
    x = 127,265,834,230.14/409,184.88
  6. Step 6: Final answer
    x = 311,022.82

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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.