Home / 461,103.24-636,226.23-279,910.56

Finding the Fourth Proportional to 461,103.24, 636,226.23 and 279,910.56

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Solution

The fourth proportional to 461,103.24, 636,226.23 and 279,910.56 is: 386,218.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,103.24 : 636,226.23 = 279,910.56 : x
  2. Step 2: Convert to fraction form
    461,103.24/636,226.23 = 279,910.56/x
  3. Step 3: Cross multiply
    461,103.24x = 636,226.23 × 279,910.56
  4. Step 4: Simplify right side
    461,103.24x = 178,086,440,325.99
  5. Step 5: Solve for x
    x = 178,086,440,325.99/461,103.24
  6. Step 6: Final answer
    x = 386,218.15

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1.5x scale

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.