Home / 681,487.60-1,022,231.40-522,055.30

Finding the Fourth Proportional to 681,487.60, 1,022,231.40 and 522,055.30

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Solution

The fourth proportional to 681,487.60, 1,022,231.40 and 522,055.30 is: 783,082.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,487.60 : 1,022,231.40 = 522,055.30 : x
  2. Step 2: Convert to fraction form
    681,487.60/1,022,231.40 = 522,055.30/x
  3. Step 3: Cross multiply
    681,487.60x = 1,022,231.40 × 522,055.30
  4. Step 4: Simplify right side
    681,487.60x = 533,661,320,196.42
  5. Step 5: Solve for x
    x = 533,661,320,196.42/681,487.60
  6. Step 6: Final answer
    x = 783,082.95

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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.