Home / 781,169.32-1,171,753.98-741,278.44

Finding the Fourth Proportional to 781,169.32, 1,171,753.98 and 741,278.44

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Solution

The fourth proportional to 781,169.32, 1,171,753.98 and 741,278.44 is: 1,111,917.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    781,169.32 : 1,171,753.98 = 741,278.44 : x
  2. Step 2: Convert to fraction form
    781,169.32/1,171,753.98 = 741,278.44/x
  3. Step 3: Cross multiply
    781,169.32x = 1,171,753.98 × 741,278.44
  4. Step 4: Simplify right side
    781,169.32x = 868,595,962,358.19
  5. Step 5: Solve for x
    x = 868,595,962,358.19/781,169.32
  6. Step 6: Final answer
    x = 1,111,917.66

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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.