Home / 682,395.23-1,023,724.06-261,638.30

Finding the Fourth Proportional to 682,395.23, 1,023,724.06 and 261,638.30

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Solution

The fourth proportional to 682,395.23, 1,023,724.06 and 261,638.30 is: 392,507.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,395.23 : 1,023,724.06 = 261,638.30 : x
  2. Step 2: Convert to fraction form
    682,395.23/1,023,724.06 = 261,638.30/x
  3. Step 3: Cross multiply
    682,395.23x = 1,023,724.06 × 261,638.30
  4. Step 4: Simplify right side
    682,395.23x = 267,845,424,632.71
  5. Step 5: Solve for x
    x = 267,845,424,632.71/682,395.23
  6. Step 6: Final answer
    x = 392,507.76

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1.5x scale

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.