Home / 861,660.24-1,189,052.77-493,873.73

Finding the Fourth Proportional to 861,660.24, 1,189,052.77 and 493,873.73

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Solution

The fourth proportional to 861,660.24, 1,189,052.77 and 493,873.73 is: 681,523.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    861,660.24 : 1,189,052.77 = 493,873.73 : x
  2. Step 2: Convert to fraction form
    861,660.24/1,189,052.77 = 493,873.73/x
  3. Step 3: Cross multiply
    861,660.24x = 1,189,052.77 × 493,873.73
  4. Step 4: Simplify right side
    861,660.24x = 587,241,926,686.73
  5. Step 5: Solve for x
    x = 587,241,926,686.73/861,660.24
  6. Step 6: Final answer
    x = 681,523.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.