Home / 420,847.44-580,760.08-229,861.52

Finding the Fourth Proportional to 420,847.44, 580,760.08 and 229,861.52

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Solution

The fourth proportional to 420,847.44, 580,760.08 and 229,861.52 is: 317,203.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    420,847.44 : 580,760.08 = 229,861.52 : x
  2. Step 2: Convert to fraction form
    420,847.44/580,760.08 = 229,861.52/x
  3. Step 3: Cross multiply
    420,847.44x = 580,760.08 × 229,861.52
  4. Step 4: Simplify right side
    420,847.44x = 133,494,394,744.12
  5. Step 5: Solve for x
    x = 133,494,394,744.12/420,847.44
  6. Step 6: Final answer
    x = 317,203.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.