Home / 725,626.20-1,088,441.46-220,191.24

Finding the Fourth Proportional to 725,626.20, 1,088,441.46 and 220,191.24

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Solution

The fourth proportional to 725,626.20, 1,088,441.46 and 220,191.24 is: 330,287.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,626.20 : 1,088,441.46 = 220,191.24 : x
  2. Step 2: Convert to fraction form
    725,626.20/1,088,441.46 = 220,191.24/x
  3. Step 3: Cross multiply
    725,626.20x = 1,088,441.46 × 220,191.24
  4. Step 4: Simplify right side
    725,626.20x = 239,665,274,744.81
  5. Step 5: Solve for x
    x = 239,665,274,744.81/725,626.20
  6. Step 6: Final answer
    x = 330,287.52

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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.