Home / 1,340,105.20-2,010,157.80-441,685.60

Finding the Fourth Proportional to 1,340,105.20, 2,010,157.80 and 441,685.60

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Solution

The fourth proportional to 1,340,105.20, 2,010,157.80 and 441,685.60 is: 662,528.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,340,105.20 : 2,010,157.80 = 441,685.60 : x
  2. Step 2: Convert to fraction form
    1,340,105.20/2,010,157.80 = 441,685.60/x
  3. Step 3: Cross multiply
    1,340,105.20x = 2,010,157.80 × 441,685.60
  4. Step 4: Simplify right side
    1,340,105.20x = 887,857,753,987.68
  5. Step 5: Solve for x
    x = 887,857,753,987.68/1,340,105.20
  6. Step 6: Final answer
    x = 662,528.40

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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.