Home / 479,422.17-718,946.33-179,739.41

Finding the Fourth Proportional to 479,422.17, 718,946.33 and 179,739.41

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Solution

The fourth proportional to 479,422.17, 718,946.33 and 179,739.41 is: 269,539.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,422.17 : 718,946.33 = 179,739.41 : x
  2. Step 2: Convert to fraction form
    479,422.17/718,946.33 = 179,739.41/x
  3. Step 3: Cross multiply
    479,422.17x = 718,946.33 × 179,739.41
  4. Step 4: Simplify right side
    479,422.17x = 129,222,984,682.44
  5. Step 5: Solve for x
    x = 129,222,984,682.44/479,422.17
  6. Step 6: Final answer
    x = 269,539.03

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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.