Home / 598,276.20-897,414.30-430,314.60

Finding the Fourth Proportional to 598,276.20, 897,414.30 and 430,314.60

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Solution

The fourth proportional to 598,276.20, 897,414.30 and 430,314.60 is: 645,471.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    598,276.20 : 897,414.30 = 430,314.60 : x
  2. Step 2: Convert to fraction form
    598,276.20/897,414.30 = 430,314.60/x
  3. Step 3: Cross multiply
    598,276.20x = 897,414.30 × 430,314.60
  4. Step 4: Simplify right side
    598,276.20x = 386,170,475,538.78
  5. Step 5: Solve for x
    x = 386,170,475,538.78/598,276.20
  6. Step 6: Final answer
    x = 645,471.90

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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.