Home / 722,708.53-1,083,693.67-267,276.71

Finding the Fourth Proportional to 722,708.53, 1,083,693.67 and 267,276.71

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Solution

The fourth proportional to 722,708.53, 1,083,693.67 and 267,276.71 is: 400,778.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,708.53 : 1,083,693.67 = 267,276.71 : x
  2. Step 2: Convert to fraction form
    722,708.53/1,083,693.67 = 267,276.71/x
  3. Step 3: Cross multiply
    722,708.53x = 1,083,693.67 × 267,276.71
  4. Step 4: Simplify right side
    722,708.53x = 289,646,080,806.47
  5. Step 5: Solve for x
    x = 289,646,080,806.47/722,708.53
  6. Step 6: Final answer
    x = 400,778.56

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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.