Home / 449,190.27-619,891.34-245,241.70

Finding the Fourth Proportional to 449,190.27, 619,891.34 and 245,241.70

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Solution

The fourth proportional to 449,190.27, 619,891.34 and 245,241.70 is: 338,438.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,190.27 : 619,891.34 = 245,241.70 : x
  2. Step 2: Convert to fraction form
    449,190.27/619,891.34 = 245,241.70/x
  3. Step 3: Cross multiply
    449,190.27x = 619,891.34 × 245,241.70
  4. Step 4: Simplify right side
    449,190.27x = 152,023,203,260.94
  5. Step 5: Solve for x
    x = 152,023,203,260.94/449,190.27
  6. Step 6: Final answer
    x = 338,438.33

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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.