Home / 773,445.20-1,159,246.20-324,165.20

Finding the Fourth Proportional to 773,445.20, 1,159,246.20 and 324,165.20

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Solution

The fourth proportional to 773,445.20, 1,159,246.20 and 324,165.20 is: 485,861.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    773,445.20 : 1,159,246.20 = 324,165.20 : x
  2. Step 2: Convert to fraction form
    773,445.20/1,159,246.20 = 324,165.20/x
  3. Step 3: Cross multiply
    773,445.20x = 1,159,246.20 × 324,165.20
  4. Step 4: Simplify right side
    773,445.20x = 375,787,276,272.24
  5. Step 5: Solve for x
    x = 375,787,276,272.24/773,445.20
  6. Step 6: Final answer
    x = 485,861.54

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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.