Home / 1,116.98-1,675.20-467.72

Finding the Fourth Proportional to 1,116.98, 1,675.20 and 467.72

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Solution

The fourth proportional to 1,116.98, 1,675.20 and 467.72 is: 701.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,116.98 : 1,675.20 = 467.72 : x
  2. Step 2: Convert to fraction form
    1,116.98/1,675.20 = 467.72/x
  3. Step 3: Cross multiply
    1,116.98x = 1,675.20 × 467.72
  4. Step 4: Simplify right side
    1,116.98x = 783,524.54
  5. Step 5: Solve for x
    x = 783,524.54/1,116.98
  6. Step 6: Final answer
    x = 701.47

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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.