Home / 1,197.27-1,795.68-417.24

Finding the Fourth Proportional to 1,197.27, 1,795.68 and 417.24

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Solution

The fourth proportional to 1,197.27, 1,795.68 and 417.24 is: 625.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,197.27 : 1,795.68 = 417.24 : x
  2. Step 2: Convert to fraction form
    1,197.27/1,795.68 = 417.24/x
  3. Step 3: Cross multiply
    1,197.27x = 1,795.68 × 417.24
  4. Step 4: Simplify right side
    1,197.27x = 749,229.52
  5. Step 5: Solve for x
    x = 749,229.52/1,197.27
  6. Step 6: Final answer
    x = 625.78

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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.