Home / 1,117.29-1,675.25-532.47

Finding the Fourth Proportional to 1,117.29, 1,675.25 and 532.47

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Solution

The fourth proportional to 1,117.29, 1,675.25 and 532.47 is: 798.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,117.29 : 1,675.25 = 532.47 : x
  2. Step 2: Convert to fraction form
    1,117.29/1,675.25 = 532.47/x
  3. Step 3: Cross multiply
    1,117.29x = 1,675.25 × 532.47
  4. Step 4: Simplify right side
    1,117.29x = 892,025.98
  5. Step 5: Solve for x
    x = 892,025.98/1,117.29
  6. Step 6: Final answer
    x = 798.38

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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.