Home / 809,234.60-1,213,851.90-276,627.20

Finding the Fourth Proportional to 809,234.60, 1,213,851.90 and 276,627.20

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Solution

The fourth proportional to 809,234.60, 1,213,851.90 and 276,627.20 is: 414,940.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,234.60 : 1,213,851.90 = 276,627.20 : x
  2. Step 2: Convert to fraction form
    809,234.60/1,213,851.90 = 276,627.20/x
  3. Step 3: Cross multiply
    809,234.60x = 1,213,851.90 × 276,627.20
  4. Step 4: Simplify right side
    809,234.60x = 335,784,452,311.68
  5. Step 5: Solve for x
    x = 335,784,452,311.68/809,234.60
  6. Step 6: Final answer
    x = 414,940.80

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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.