Home / 819,336.20-1,229,061.90-464,520.20

Finding the Fourth Proportional to 819,336.20, 1,229,061.90 and 464,520.20

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Solution

The fourth proportional to 819,336.20, 1,229,061.90 and 464,520.20 is: 696,812.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    819,336.20 : 1,229,061.90 = 464,520.20 : x
  2. Step 2: Convert to fraction form
    819,336.20/1,229,061.90 = 464,520.20/x
  3. Step 3: Cross multiply
    819,336.20x = 1,229,061.90 × 464,520.20
  4. Step 4: Simplify right side
    819,336.20x = 570,924,079,600.38
  5. Step 5: Solve for x
    x = 570,924,079,600.38/819,336.20
  6. Step 6: Final answer
    x = 696,812.96

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Double scale
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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.