Home / 479,406.65-718,923.07-179,723.71

Finding the Fourth Proportional to 479,406.65, 718,923.07 and 179,723.71

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Solution

The fourth proportional to 479,406.65, 718,923.07 and 179,723.71 is: 269,515.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,406.65 : 718,923.07 = 179,723.71 : x
  2. Step 2: Convert to fraction form
    479,406.65/718,923.07 = 179,723.71/x
  3. Step 3: Cross multiply
    479,406.65x = 718,923.07 × 179,723.71
  4. Step 4: Simplify right side
    479,406.65x = 129,207,521,344.99
  5. Step 5: Solve for x
    x = 129,207,521,344.99/479,406.65
  6. Step 6: Final answer
    x = 269,515.50

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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.