Home / 868,144.98-1,198,041.02-486,171.76

Finding the Fourth Proportional to 868,144.98, 1,198,041.02 and 486,171.76

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Solution

The fourth proportional to 868,144.98, 1,198,041.02 and 486,171.76 is: 670,917.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,144.98 : 1,198,041.02 = 486,171.76 : x
  2. Step 2: Convert to fraction form
    868,144.98/1,198,041.02 = 486,171.76/x
  3. Step 3: Cross multiply
    868,144.98x = 1,198,041.02 × 486,171.76
  4. Step 4: Simplify right side
    868,144.98x = 582,453,711,245.60
  5. Step 5: Solve for x
    x = 582,453,711,245.60/868,144.98
  6. Step 6: Final answer
    x = 670,917.56

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.