Home / 479,420.92-718,944.54-179,738.02

Finding the Fourth Proportional to 479,420.92, 718,944.54 and 179,738.02

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Solution

The fourth proportional to 479,420.92, 718,944.54 and 179,738.02 is: 269,536.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,420.92 : 718,944.54 = 179,738.02 : x
  2. Step 2: Convert to fraction form
    479,420.92/718,944.54 = 179,738.02/x
  3. Step 3: Cross multiply
    479,420.92x = 718,944.54 × 179,738.02
  4. Step 4: Simplify right side
    479,420.92x = 129,221,668,109.41
  5. Step 5: Solve for x
    x = 129,221,668,109.41/479,420.92
  6. Step 6: Final answer
    x = 269,536.98

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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.