Home / 1,324,209.96-1,986,512.60-614,309.76

Finding the Fourth Proportional to 1,324,209.96, 1,986,512.60 and 614,309.76

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Solution

The fourth proportional to 1,324,209.96, 1,986,512.60 and 614,309.76 is: 921,556.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,324,209.96 : 1,986,512.60 = 614,309.76 : x
  2. Step 2: Convert to fraction form
    1,324,209.96/1,986,512.60 = 614,309.76/x
  3. Step 3: Cross multiply
    1,324,209.96x = 1,986,512.60 × 614,309.76
  4. Step 4: Simplify right side
    1,324,209.96x = 1,220,334,078,542.98
  5. Step 5: Solve for x
    x = 1,220,334,078,542.98/1,324,209.96
  6. Step 6: Final answer
    x = 921,556.34

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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.