Home / 843,616.46-1,265,556.68-274,865.56

Finding the Fourth Proportional to 843,616.46, 1,265,556.68 and 274,865.56

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Solution

The fourth proportional to 843,616.46, 1,265,556.68 and 274,865.56 is: 412,341.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    843,616.46 : 1,265,556.68 = 274,865.56 : x
  2. Step 2: Convert to fraction form
    843,616.46/1,265,556.68 = 274,865.56/x
  3. Step 3: Cross multiply
    843,616.46x = 1,265,556.68 × 274,865.56
  4. Step 4: Simplify right side
    843,616.46x = 347,857,945,559.94
  5. Step 5: Solve for x
    x = 347,857,945,559.94/843,616.46
  6. Step 6: Final answer
    x = 412,341.34

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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.