Home / 682,399.24-1,023,730.06-261,642.30

Finding the Fourth Proportional to 682,399.24, 1,023,730.06 and 261,642.30

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Solution

The fourth proportional to 682,399.24, 1,023,730.06 and 261,642.30 is: 392,513.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,399.24 : 1,023,730.06 = 261,642.30 : x
  2. Step 2: Convert to fraction form
    682,399.24/1,023,730.06 = 261,642.30/x
  3. Step 3: Cross multiply
    682,399.24x = 1,023,730.06 × 261,642.30
  4. Step 4: Simplify right side
    682,399.24x = 267,851,087,477.54
  5. Step 5: Solve for x
    x = 267,851,087,477.54/682,399.24
  6. Step 6: Final answer
    x = 392,513.75

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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.