Home / 479,200.12-718,590.44-179,470.56

Finding the Fourth Proportional to 479,200.12, 718,590.44 and 179,470.56

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Solution

The fourth proportional to 479,200.12, 718,590.44 and 179,470.56 is: 269,127.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,200.12 : 718,590.44 = 179,470.56 : x
  2. Step 2: Convert to fraction form
    479,200.12/718,590.44 = 179,470.56/x
  3. Step 3: Cross multiply
    479,200.12x = 718,590.44 × 179,470.56
  4. Step 4: Simplify right side
    479,200.12x = 128,965,828,677.45
  5. Step 5: Solve for x
    x = 128,965,828,677.45/479,200.12
  6. Step 6: Final answer
    x = 269,127.29

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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.