Home / 1,013.17-1,518.44-492.16

Finding the Fourth Proportional to 1,013.17, 1,518.44 and 492.16

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Solution

The fourth proportional to 1,013.17, 1,518.44 and 492.16 is: 737.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,013.17 : 1,518.44 = 492.16 : x
  2. Step 2: Convert to fraction form
    1,013.17/1,518.44 = 492.16/x
  3. Step 3: Cross multiply
    1,013.17x = 1,518.44 × 492.16
  4. Step 4: Simplify right side
    1,013.17x = 747,315.43
  5. Step 5: Solve for x
    x = 747,315.43/1,013.17
  6. Step 6: Final answer
    x = 737.60

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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.