Home / 741,742.44-1,112,668.92-315,230.46

Finding the Fourth Proportional to 741,742.44, 1,112,668.92 and 315,230.46

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Solution

The fourth proportional to 741,742.44, 1,112,668.92 and 315,230.46 is: 472,869.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,742.44 : 1,112,668.92 = 315,230.46 : x
  2. Step 2: Convert to fraction form
    741,742.44/1,112,668.92 = 315,230.46/x
  3. Step 3: Cross multiply
    741,742.44x = 1,112,668.92 × 315,230.46
  4. Step 4: Simplify right side
    741,742.44x = 350,747,135,479.30
  5. Step 5: Solve for x
    x = 350,747,135,479.30/741,742.44
  6. Step 6: Final answer
    x = 472,869.17

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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.