Home / 409,370.12-613,376.33-248,960.86

Finding the Fourth Proportional to 409,370.12, 613,376.33 and 248,960.86

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Solution

The fourth proportional to 409,370.12, 613,376.33 and 248,960.86 is: 373,028.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,370.12 : 613,376.33 = 248,960.86 : x
  2. Step 2: Convert to fraction form
    409,370.12/613,376.33 = 248,960.86/x
  3. Step 3: Cross multiply
    409,370.12x = 613,376.33 × 248,960.86
  4. Step 4: Simplify right side
    409,370.12x = 152,706,695,553.56
  5. Step 5: Solve for x
    x = 152,706,695,553.56/409,370.12
  6. Step 6: Final answer
    x = 373,028.44

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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.