Home / 479,014.48-718,785-179,701.84

Finding the Fourth Proportional to 479,014.48, 718,785 and 179,701.84

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Solution

The fourth proportional to 479,014.48, 718,785 and 179,701.84 is: 269,651.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,014.48 : 718,785 = 179,701.84 : x
  2. Step 2: Convert to fraction form
    479,014.48/718,785 = 179,701.84/x
  3. Step 3: Cross multiply
    479,014.48x = 718,785 × 179,701.84
  4. Step 4: Simplify right side
    479,014.48x = 129,166,987,064.40
  5. Step 5: Solve for x
    x = 129,166,987,064.40/479,014.48
  6. Step 6: Final answer
    x = 269,651.53

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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.