Home / 866,743.20-1,300,114.80-656,791.20

Finding the Fourth Proportional to 866,743.20, 1,300,114.80 and 656,791.20

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Solution

The fourth proportional to 866,743.20, 1,300,114.80 and 656,791.20 is: 985,186.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,743.20 : 1,300,114.80 = 656,791.20 : x
  2. Step 2: Convert to fraction form
    866,743.20/1,300,114.80 = 656,791.20/x
  3. Step 3: Cross multiply
    866,743.20x = 1,300,114.80 × 656,791.20
  4. Step 4: Simplify right side
    866,743.20x = 853,903,959,629.76
  5. Step 5: Solve for x
    x = 853,903,959,629.76/866,743.20
  6. Step 6: Final answer
    x = 985,186.80

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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.