Home / 439,839.86-659,716.04-203,179.12

Finding the Fourth Proportional to 439,839.86, 659,716.04 and 203,179.12

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Solution

The fourth proportional to 439,839.86, 659,716.04 and 203,179.12 is: 304,748.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,839.86 : 659,716.04 = 203,179.12 : x
  2. Step 2: Convert to fraction form
    439,839.86/659,716.04 = 203,179.12/x
  3. Step 3: Cross multiply
    439,839.86x = 659,716.04 × 203,179.12
  4. Step 4: Simplify right side
    439,839.86x = 134,040,524,457.09
  5. Step 5: Solve for x
    x = 134,040,524,457.09/439,839.86
  6. Step 6: Final answer
    x = 304,748.47

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1.5x scale

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.