Home / 526,799.97-726,985.78-285,082.47

Finding the Fourth Proportional to 526,799.97, 726,985.78 and 285,082.47

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Solution

The fourth proportional to 526,799.97, 726,985.78 and 285,082.47 is: 393,414.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,799.97 : 726,985.78 = 285,082.47 : x
  2. Step 2: Convert to fraction form
    526,799.97/726,985.78 = 285,082.47/x
  3. Step 3: Cross multiply
    526,799.97x = 726,985.78 × 285,082.47
  4. Step 4: Simplify right side
    526,799.97x = 207,250,901,817.28
  5. Step 5: Solve for x
    x = 207,250,901,817.28/526,799.97
  6. Step 6: Final answer
    x = 393,414.79

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1.5x scale

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.