Home / 1,040,023.56-1,560,103.38-320,277

Finding the Fourth Proportional to 1,040,023.56, 1,560,103.38 and 320,277

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Solution

The fourth proportional to 1,040,023.56, 1,560,103.38 and 320,277 is: 480,436.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,040,023.56 : 1,560,103.38 = 320,277 : x
  2. Step 2: Convert to fraction form
    1,040,023.56/1,560,103.38 = 320,277/x
  3. Step 3: Cross multiply
    1,040,023.56x = 1,560,103.38 × 320,277
  4. Step 4: Simplify right side
    1,040,023.56x = 499,665,230,236.26
  5. Step 5: Solve for x
    x = 499,665,230,236.26/1,040,023.56
  6. Step 6: Final answer
    x = 480,436.45

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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.