Home / 498,935.73-748,964.47-199,627.47

Finding the Fourth Proportional to 498,935.73, 748,964.47 and 199,627.47

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Solution

The fourth proportional to 498,935.73, 748,964.47 and 199,627.47 is: 299,665.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,935.73 : 748,964.47 = 199,627.47 : x
  2. Step 2: Convert to fraction form
    498,935.73/748,964.47 = 199,627.47/x
  3. Step 3: Cross multiply
    498,935.73x = 748,964.47 × 199,627.47
  4. Step 4: Simplify right side
    498,935.73x = 149,513,882,265.99
  5. Step 5: Solve for x
    x = 149,513,882,265.99/498,935.73
  6. Step 6: Final answer
    x = 299,665.61

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1.5x scale

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.