Home / 866,138.40-1,297,652.40-741,722.40

Finding the Fourth Proportional to 866,138.40, 1,297,652.40 and 741,722.40

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Solution

The fourth proportional to 866,138.40, 1,297,652.40 and 741,722.40 is: 1,111,251.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,138.40 : 1,297,652.40 = 741,722.40 : x
  2. Step 2: Convert to fraction form
    866,138.40/1,297,652.40 = 741,722.40/x
  3. Step 3: Cross multiply
    866,138.40x = 1,297,652.40 × 741,722.40
  4. Step 4: Simplify right side
    866,138.40x = 962,497,852,493.76
  5. Step 5: Solve for x
    x = 962,497,852,493.76/866,138.40
  6. Step 6: Final answer
    x = 1,111,251.80

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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.