Home / 861,976.71-1,189,527.86-499,610.77

Finding the Fourth Proportional to 861,976.71, 1,189,527.86 and 499,610.77

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Solution

The fourth proportional to 861,976.71, 1,189,527.86 and 499,610.77 is: 689,462.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    861,976.71 : 1,189,527.86 = 499,610.77 : x
  2. Step 2: Convert to fraction form
    861,976.71/1,189,527.86 = 499,610.77/x
  3. Step 3: Cross multiply
    861,976.71x = 1,189,527.86 × 499,610.77
  4. Step 4: Simplify right side
    861,976.71x = 594,300,928,346.26
  5. Step 5: Solve for x
    x = 594,300,928,346.26/861,976.71
  6. Step 6: Final answer
    x = 689,462.86

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