Home / 781,182.57-1,171,773.86-741,291.69

Finding the Fourth Proportional to 781,182.57, 1,171,773.86 and 741,291.69

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Solution

The fourth proportional to 781,182.57, 1,171,773.86 and 741,291.69 is: 1,111,937.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    781,182.57 : 1,171,773.86 = 741,291.69 : x
  2. Step 2: Convert to fraction form
    781,182.57/1,171,773.86 = 741,291.69/x
  3. Step 3: Cross multiply
    781,182.57x = 1,171,773.86 × 741,291.69
  4. Step 4: Simplify right side
    781,182.57x = 868,626,221,270.77
  5. Step 5: Solve for x
    x = 868,626,221,270.77/781,182.57
  6. Step 6: Final answer
    x = 1,111,937.54

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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.