Home / 440,534.40-660,826.72-124,966.56

Finding the Fourth Proportional to 440,534.40, 660,826.72 and 124,966.56

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Solution

The fourth proportional to 440,534.40, 660,826.72 and 124,966.56 is: 187,456.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,534.40 : 660,826.72 = 124,966.56 : x
  2. Step 2: Convert to fraction form
    440,534.40/660,826.72 = 124,966.56/x
  3. Step 3: Cross multiply
    440,534.40x = 660,826.72 × 124,966.56
  4. Step 4: Simplify right side
    440,534.40x = 82,581,241,954.48
  5. Step 5: Solve for x
    x = 82,581,241,954.48/440,534.40
  6. Step 6: Final answer
    x = 187,456.97

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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.