Home / 722,842.60-1,083,227.10-531,812.20

Finding the Fourth Proportional to 722,842.60, 1,083,227.10 and 531,812.20

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Solution

The fourth proportional to 722,842.60, 1,083,227.10 and 531,812.20 is: 796,955.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,842.60 : 1,083,227.10 = 531,812.20 : x
  2. Step 2: Convert to fraction form
    722,842.60/1,083,227.10 = 531,812.20/x
  3. Step 3: Cross multiply
    722,842.60x = 1,083,227.10 × 531,812.20
  4. Step 4: Simplify right side
    722,842.60x = 576,073,387,150.62
  5. Step 5: Solve for x
    x = 576,073,387,150.62/722,842.60
  6. Step 6: Final answer
    x = 796,955.50

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Double scale
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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.