Home / 439,560.20-659,340.30-297,842.60

Finding the Fourth Proportional to 439,560.20, 659,340.30 and 297,842.60

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Solution

The fourth proportional to 439,560.20, 659,340.30 and 297,842.60 is: 446,763.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,560.20 : 659,340.30 = 297,842.60 : x
  2. Step 2: Convert to fraction form
    439,560.20/659,340.30 = 297,842.60/x
  3. Step 3: Cross multiply
    439,560.20x = 659,340.30 × 297,842.60
  4. Step 4: Simplify right side
    439,560.20x = 196,379,629,236.78
  5. Step 5: Solve for x
    x = 196,379,629,236.78/439,560.20
  6. Step 6: Final answer
    x = 446,763.90

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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.