Home / 1,169,778.31-1,614,305.19-686,351.68

Finding the Fourth Proportional to 1,169,778.31, 1,614,305.19 and 686,351.68

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Solution

The fourth proportional to 1,169,778.31, 1,614,305.19 and 686,351.68 is: 947,171.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,169,778.31 : 1,614,305.19 = 686,351.68 : x
  2. Step 2: Convert to fraction form
    1,169,778.31/1,614,305.19 = 686,351.68/x
  3. Step 3: Cross multiply
    1,169,778.31x = 1,614,305.19 × 686,351.68
  4. Step 4: Simplify right side
    1,169,778.31x = 1,107,981,077,727.28
  5. Step 5: Solve for x
    x = 1,107,981,077,727.28/1,169,778.31
  6. Step 6: Final answer
    x = 947,171.84

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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.