Home / 682,409.32-1,023,745.16-261,652.39

Finding the Fourth Proportional to 682,409.32, 1,023,745.16 and 261,652.39

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Solution

The fourth proportional to 682,409.32, 1,023,745.16 and 261,652.39 is: 392,528.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,409.32 : 1,023,745.16 = 261,652.39 : x
  2. Step 2: Convert to fraction form
    682,409.32/1,023,745.16 = 261,652.39/x
  3. Step 3: Cross multiply
    682,409.32x = 1,023,745.16 × 261,652.39
  4. Step 4: Simplify right side
    682,409.32x = 267,865,367,864.93
  5. Step 5: Solve for x
    x = 267,865,367,864.93/682,409.32
  6. Step 6: Final answer
    x = 392,528.88

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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.