Home / 463,400.47-639,437.97-267,164.75

Finding the Fourth Proportional to 463,400.47, 639,437.97 and 267,164.75

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Solution

The fourth proportional to 463,400.47, 639,437.97 and 267,164.75 is: 368,655.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,400.47 : 639,437.97 = 267,164.75 : x
  2. Step 2: Convert to fraction form
    463,400.47/639,437.97 = 267,164.75/x
  3. Step 3: Cross multiply
    463,400.47x = 639,437.97 × 267,164.75
  4. Step 4: Simplify right side
    463,400.47x = 170,835,285,395.56
  5. Step 5: Solve for x
    x = 170,835,285,395.56/463,400.47
  6. Step 6: Final answer
    x = 368,655.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.