Home / 1,114.52-1,673.40-822.92

Finding the Fourth Proportional to 1,114.52, 1,673.40 and 822.92

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Solution

The fourth proportional to 1,114.52, 1,673.40 and 822.92 is: 1,235.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,114.52 : 1,673.40 = 822.92 : x
  2. Step 2: Convert to fraction form
    1,114.52/1,673.40 = 822.92/x
  3. Step 3: Cross multiply
    1,114.52x = 1,673.40 × 822.92
  4. Step 4: Simplify right side
    1,114.52x = 1,377,074.33
  5. Step 5: Solve for x
    x = 1,377,074.33/1,114.52
  6. Step 6: Final answer
    x = 1,235.58

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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.