Home / 479,406.67-718,923.09-179,723.89

Finding the Fourth Proportional to 479,406.67, 718,923.09 and 179,723.89

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Solution

The fourth proportional to 479,406.67, 718,923.09 and 179,723.89 is: 269,515.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,406.67 : 718,923.09 = 179,723.89 : x
  2. Step 2: Convert to fraction form
    479,406.67/718,923.09 = 179,723.89/x
  3. Step 3: Cross multiply
    479,406.67x = 718,923.09 × 179,723.89
  4. Step 4: Simplify right side
    479,406.67x = 129,207,654,345.62
  5. Step 5: Solve for x
    x = 129,207,654,345.62/479,406.67
  6. Step 6: Final answer
    x = 269,515.76

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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.