Home / 412,919.40-619,743.60-244,228.80

Finding the Fourth Proportional to 412,919.40, 619,743.60 and 244,228.80

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Solution

The fourth proportional to 412,919.40, 619,743.60 and 244,228.80 is: 366,558.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,919.40 : 619,743.60 = 244,228.80 : x
  2. Step 2: Convert to fraction form
    412,919.40/619,743.60 = 244,228.80/x
  3. Step 3: Cross multiply
    412,919.40x = 619,743.60 × 244,228.80
  4. Step 4: Simplify right side
    412,919.40x = 151,359,235,735.68
  5. Step 5: Solve for x
    x = 151,359,235,735.68/412,919.40
  6. Step 6: Final answer
    x = 366,558.79

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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.