Home / 866,764.80-1,300,147.20-834,105.60

Finding the Fourth Proportional to 866,764.80, 1,300,147.20 and 834,105.60

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Solution

The fourth proportional to 866,764.80, 1,300,147.20 and 834,105.60 is: 1,251,158.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,764.80 : 1,300,147.20 = 834,105.60 : x
  2. Step 2: Convert to fraction form
    866,764.80/1,300,147.20 = 834,105.60/x
  3. Step 3: Cross multiply
    866,764.80x = 1,300,147.20 × 834,105.60
  4. Step 4: Simplify right side
    866,764.80x = 1,084,460,060,344.32
  5. Step 5: Solve for x
    x = 1,084,460,060,344.32/866,764.80
  6. Step 6: Final answer
    x = 1,251,158.40

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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.