Home / 781,170.82-1,171,756.23-741,279.94

Finding the Fourth Proportional to 781,170.82, 1,171,756.23 and 741,279.94

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Solution

The fourth proportional to 781,170.82, 1,171,756.23 and 741,279.94 is: 1,111,919.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    781,170.82 : 1,171,756.23 = 741,279.94 : x
  2. Step 2: Convert to fraction form
    781,170.82/1,171,756.23 = 741,279.94/x
  3. Step 3: Cross multiply
    781,170.82x = 1,171,756.23 × 741,279.94
  4. Step 4: Simplify right side
    781,170.82x = 868,599,387,869.03
  5. Step 5: Solve for x
    x = 868,599,387,869.03/781,170.82
  6. Step 6: Final answer
    x = 1,111,919.91

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1.5x scale

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.