Home / 819,627.60-1,229,441.40-567,685.20

Finding the Fourth Proportional to 819,627.60, 1,229,441.40 and 567,685.20

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Solution

The fourth proportional to 819,627.60, 1,229,441.40 and 567,685.20 is: 851,527.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    819,627.60 : 1,229,441.40 = 567,685.20 : x
  2. Step 2: Convert to fraction form
    819,627.60/1,229,441.40 = 567,685.20/x
  3. Step 3: Cross multiply
    819,627.60x = 1,229,441.40 × 567,685.20
  4. Step 4: Simplify right side
    819,627.60x = 697,935,687,047.28
  5. Step 5: Solve for x
    x = 697,935,687,047.28/819,627.60
  6. Step 6: Final answer
    x = 851,527.80

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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.