Home / 1,217.67-1,826.61-395.93

Finding the Fourth Proportional to 1,217.67, 1,826.61 and 395.93

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Solution

The fourth proportional to 1,217.67, 1,826.61 and 395.93 is: 593.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,217.67 : 1,826.61 = 395.93 : x
  2. Step 2: Convert to fraction form
    1,217.67/1,826.61 = 395.93/x
  3. Step 3: Cross multiply
    1,217.67x = 1,826.61 × 395.93
  4. Step 4: Simplify right side
    1,217.67x = 723,198.58
  5. Step 5: Solve for x
    x = 723,198.58/1,217.67
  6. Step 6: Final answer
    x = 593.92

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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.