Home / 440,524.20-660,643.74-124,896.36

Finding the Fourth Proportional to 440,524.20, 660,643.74 and 124,896.36

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Solution

The fourth proportional to 440,524.20, 660,643.74 and 124,896.36 is: 187,304.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,524.20 : 660,643.74 = 124,896.36 : x
  2. Step 2: Convert to fraction form
    440,524.20/660,643.74 = 124,896.36/x
  3. Step 3: Cross multiply
    440,524.20x = 660,643.74 × 124,896.36
  4. Step 4: Simplify right side
    440,524.20x = 82,511,998,382.79
  5. Step 5: Solve for x
    x = 82,511,998,382.79/440,524.20
  6. Step 6: Final answer
    x = 187,304.12

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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.