Home / 412,372.04-569,108.32-231,081.90

Finding the Fourth Proportional to 412,372.04, 569,108.32 and 231,081.90

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Solution

The fourth proportional to 412,372.04, 569,108.32 and 231,081.90 is: 318,912.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,372.04 : 569,108.32 = 231,081.90 : x
  2. Step 2: Convert to fraction form
    412,372.04/569,108.32 = 231,081.90/x
  3. Step 3: Cross multiply
    412,372.04x = 569,108.32 × 231,081.90
  4. Step 4: Simplify right side
    412,372.04x = 131,510,631,891.41
  5. Step 5: Solve for x
    x = 131,510,631,891.41/412,372.04
  6. Step 6: Final answer
    x = 318,912.58

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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.