Home / 682,769.35-1,023,826.87-322,640.47

Finding the Fourth Proportional to 682,769.35, 1,023,826.87 and 322,640.47

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Solution

The fourth proportional to 682,769.35, 1,023,826.87 and 322,640.47 is: 483,806.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,769.35 : 1,023,826.87 = 322,640.47 : x
  2. Step 2: Convert to fraction form
    682,769.35/1,023,826.87 = 322,640.47/x
  3. Step 3: Cross multiply
    682,769.35x = 1,023,826.87 × 322,640.47
  4. Step 4: Simplify right side
    682,769.35x = 330,327,982,535.43
  5. Step 5: Solve for x
    x = 330,327,982,535.43/682,769.35
  6. Step 6: Final answer
    x = 483,806.11

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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.