Home / 526,800.10-726,985.96-285,082.60

Finding the Fourth Proportional to 526,800.10, 726,985.96 and 285,082.60

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Solution

The fourth proportional to 526,800.10, 726,985.96 and 285,082.60 is: 393,414.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,800.10 : 726,985.96 = 285,082.60 : x
  2. Step 2: Convert to fraction form
    526,800.10/726,985.96 = 285,082.60/x
  3. Step 3: Cross multiply
    526,800.10x = 726,985.96 × 285,082.60
  4. Step 4: Simplify right side
    526,800.10x = 207,251,047,640.30
  5. Step 5: Solve for x
    x = 207,251,047,640.30/526,800.10
  6. Step 6: Final answer
    x = 393,414.97

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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.