Home / 409,746.43-614,709.92-125,439.13

Finding the Fourth Proportional to 409,746.43, 614,709.92 and 125,439.13

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Solution

The fourth proportional to 409,746.43, 614,709.92 and 125,439.13 is: 188,186.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,746.43 : 614,709.92 = 125,439.13 : x
  2. Step 2: Convert to fraction form
    409,746.43/614,709.92 = 125,439.13/x
  3. Step 3: Cross multiply
    409,746.43x = 614,709.92 × 125,439.13
  4. Step 4: Simplify right side
    409,746.43x = 77,108,677,567.17
  5. Step 5: Solve for x
    x = 77,108,677,567.17/409,746.43
  6. Step 6: Final answer
    x = 188,186.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.