Home / 397,176.12-547,873.62-251,926.56

Finding the Fourth Proportional to 397,176.12, 547,873.62 and 251,926.56

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Solution

The fourth proportional to 397,176.12, 547,873.62 and 251,926.56 is: 347,513.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,176.12 : 547,873.62 = 251,926.56 : x
  2. Step 2: Convert to fraction form
    397,176.12/547,873.62 = 251,926.56/x
  3. Step 3: Cross multiply
    397,176.12x = 547,873.62 × 251,926.56
  4. Step 4: Simplify right side
    397,176.12x = 138,023,916,401.35
  5. Step 5: Solve for x
    x = 138,023,916,401.35/397,176.12
  6. Step 6: Final answer
    x = 347,513.13

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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.