Home / 479,045.06-718,723.11-229,746.50

Finding the Fourth Proportional to 479,045.06, 718,723.11 and 229,746.50

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Solution

The fourth proportional to 479,045.06, 718,723.11 and 229,746.50 is: 344,694.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,045.06 : 718,723.11 = 229,746.50 : x
  2. Step 2: Convert to fraction form
    479,045.06/718,723.11 = 229,746.50/x
  3. Step 3: Cross multiply
    479,045.06x = 718,723.11 × 229,746.50
  4. Step 4: Simplify right side
    479,045.06x = 165,124,118,991.62
  5. Step 5: Solve for x
    x = 165,124,118,991.62/479,045.06
  6. Step 6: Final answer
    x = 344,694.34

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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.