Home / 402,930.23-603,786.39-269,571.75

Finding the Fourth Proportional to 402,930.23, 603,786.39 and 269,571.75

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Solution

The fourth proportional to 402,930.23, 603,786.39 and 269,571.75 is: 403,950.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,930.23 : 603,786.39 = 269,571.75 : x
  2. Step 2: Convert to fraction form
    402,930.23/603,786.39 = 269,571.75/x
  3. Step 3: Cross multiply
    402,930.23x = 603,786.39 × 269,571.75
  4. Step 4: Simplify right side
    402,930.23x = 162,763,753,778.48
  5. Step 5: Solve for x
    x = 162,763,753,778.48/402,930.23
  6. Step 6: Final answer
    x = 403,950.22

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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.