Home / 449,785.41-674,578.62-129,867.85

Finding the Fourth Proportional to 449,785.41, 674,578.62 and 129,867.85

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Solution

The fourth proportional to 449,785.41, 674,578.62 and 129,867.85 is: 194,773.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,785.41 : 674,578.62 = 129,867.85 : x
  2. Step 2: Convert to fraction form
    449,785.41/674,578.62 = 129,867.85/x
  3. Step 3: Cross multiply
    449,785.41x = 674,578.62 × 129,867.85
  4. Step 4: Simplify right side
    449,785.41x = 87,606,074,346.59
  5. Step 5: Solve for x
    x = 87,606,074,346.59/449,785.41
  6. Step 6: Final answer
    x = 194,773.05

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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.