Home / 681,696.40-1,022,544.60-482,630.80

Finding the Fourth Proportional to 681,696.40, 1,022,544.60 and 482,630.80

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Solution

The fourth proportional to 681,696.40, 1,022,544.60 and 482,630.80 is: 723,946.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,696.40 : 1,022,544.60 = 482,630.80 : x
  2. Step 2: Convert to fraction form
    681,696.40/1,022,544.60 = 482,630.80/x
  3. Step 3: Cross multiply
    681,696.40x = 1,022,544.60 × 482,630.80
  4. Step 4: Simplify right side
    681,696.40x = 493,511,518,333.68
  5. Step 5: Solve for x
    x = 493,511,518,333.68/681,696.40
  6. Step 6: Final answer
    x = 723,946.20

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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.