Home / 514,432.20-771,648.30-346,470.60

Finding the Fourth Proportional to 514,432.20, 771,648.30 and 346,470.60

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Solution

The fourth proportional to 514,432.20, 771,648.30 and 346,470.60 is: 519,705.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,432.20 : 771,648.30 = 346,470.60 : x
  2. Step 2: Convert to fraction form
    514,432.20/771,648.30 = 346,470.60/x
  3. Step 3: Cross multiply
    514,432.20x = 771,648.30 × 346,470.60
  4. Step 4: Simplify right side
    514,432.20x = 267,353,449,489.98
  5. Step 5: Solve for x
    x = 267,353,449,489.98/514,432.20
  6. Step 6: Final answer
    x = 519,705.90

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Similar ratio
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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.