Home / 441,331.73-661,997.59-125,780.43

Finding the Fourth Proportional to 441,331.73, 661,997.59 and 125,780.43

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Solution

The fourth proportional to 441,331.73, 661,997.59 and 125,780.43 is: 188,670.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,331.73 : 661,997.59 = 125,780.43 : x
  2. Step 2: Convert to fraction form
    441,331.73/661,997.59 = 125,780.43/x
  3. Step 3: Cross multiply
    441,331.73x = 661,997.59 × 125,780.43
  4. Step 4: Simplify right side
    441,331.73x = 83,266,341,529.16
  5. Step 5: Solve for x
    x = 83,266,341,529.16/441,331.73
  6. Step 6: Final answer
    x = 188,670.64

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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.