Home / 866,250.40-1,299,375.60-656,298.40

Finding the Fourth Proportional to 866,250.40, 1,299,375.60 and 656,298.40

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Solution

The fourth proportional to 866,250.40, 1,299,375.60 and 656,298.40 is: 984,447.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,250.40 : 1,299,375.60 = 656,298.40 : x
  2. Step 2: Convert to fraction form
    866,250.40/1,299,375.60 = 656,298.40/x
  3. Step 3: Cross multiply
    866,250.40x = 1,299,375.60 × 656,298.40
  4. Step 4: Simplify right side
    866,250.40x = 852,778,127,279.04
  5. Step 5: Solve for x
    x = 852,778,127,279.04/866,250.40
  6. Step 6: Final answer
    x = 984,447.60

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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.