Home / 494,823.72-682,856.78-268,469.24

Finding the Fourth Proportional to 494,823.72, 682,856.78 and 268,469.24

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Solution

The fourth proportional to 494,823.72, 682,856.78 and 268,469.24 is: 370,487.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,823.72 : 682,856.78 = 268,469.24 : x
  2. Step 2: Convert to fraction form
    494,823.72/682,856.78 = 268,469.24/x
  3. Step 3: Cross multiply
    494,823.72x = 682,856.78 × 268,469.24
  4. Step 4: Simplify right side
    494,823.72x = 183,326,040,755.45
  5. Step 5: Solve for x
    x = 183,326,040,755.45/494,823.72
  6. Step 6: Final answer
    x = 370,487.58

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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.