Home / 667,933.40-1,002,556.20-331,354.10

Finding the Fourth Proportional to 667,933.40, 1,002,556.20 and 331,354.10

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Solution

The fourth proportional to 667,933.40, 1,002,556.20 and 331,354.10 is: 497,356.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,933.40 : 1,002,556.20 = 331,354.10 : x
  2. Step 2: Convert to fraction form
    667,933.40/1,002,556.20 = 331,354.10/x
  3. Step 3: Cross multiply
    667,933.40x = 1,002,556.20 × 331,354.10
  4. Step 4: Simplify right side
    667,933.40x = 332,201,107,350.42
  5. Step 5: Solve for x
    x = 332,201,107,350.42/667,933.40
  6. Step 6: Final answer
    x = 497,356.63

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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.