Home / 681,723.40-1,022,585.10-482,657.80

Finding the Fourth Proportional to 681,723.40, 1,022,585.10 and 482,657.80

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Solution

The fourth proportional to 681,723.40, 1,022,585.10 and 482,657.80 is: 723,986.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,723.40 : 1,022,585.10 = 482,657.80 : x
  2. Step 2: Convert to fraction form
    681,723.40/1,022,585.10 = 482,657.80/x
  3. Step 3: Cross multiply
    681,723.40x = 1,022,585.10 × 482,657.80
  4. Step 4: Simplify right side
    681,723.40x = 493,558,674,678.78
  5. Step 5: Solve for x
    x = 493,558,674,678.78/681,723.40
  6. Step 6: Final answer
    x = 723,986.70

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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.