Home / 925.18-1,276.56-552.04

Finding the Fourth Proportional to 925.18, 1,276.56 and 552.04

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Solution

The fourth proportional to 925.18, 1,276.56 and 552.04 is: 761.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    925.18 : 1,276.56 = 552.04 : x
  2. Step 2: Convert to fraction form
    925.18/1,276.56 = 552.04/x
  3. Step 3: Cross multiply
    925.18x = 1,276.56 × 552.04
  4. Step 4: Simplify right side
    925.18x = 704,712.18
  5. Step 5: Solve for x
    x = 704,712.18/925.18
  6. Step 6: Final answer
    x = 761.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.