Home / 819,396.20-1,229,151.90-464,580.20

Finding the Fourth Proportional to 819,396.20, 1,229,151.90 and 464,580.20

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Solution

The fourth proportional to 819,396.20, 1,229,151.90 and 464,580.20 is: 696,902.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    819,396.20 : 1,229,151.90 = 464,580.20 : x
  2. Step 2: Convert to fraction form
    819,396.20/1,229,151.90 = 464,580.20/x
  3. Step 3: Cross multiply
    819,396.20x = 1,229,151.90 × 464,580.20
  4. Step 4: Simplify right side
    819,396.20x = 571,039,635,532.38
  5. Step 5: Solve for x
    x = 571,039,635,532.38/819,396.20
  6. Step 6: Final answer
    x = 696,902.96

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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.