Home / 619,834.44-928,872.72-259,617.12

Finding the Fourth Proportional to 619,834.44, 928,872.72 and 259,617.12

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Solution

The fourth proportional to 619,834.44, 928,872.72 and 259,617.12 is: 389,057.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,834.44 : 928,872.72 = 259,617.12 : x
  2. Step 2: Convert to fraction form
    619,834.44/928,872.72 = 259,617.12/x
  3. Step 3: Cross multiply
    619,834.44x = 928,872.72 × 259,617.12
  4. Step 4: Simplify right side
    619,834.44x = 241,151,260,412.97
  5. Step 5: Solve for x
    x = 241,151,260,412.97/619,834.44
  6. Step 6: Final answer
    x = 389,057.54

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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.