Home / 1,474.06-2,209.92-499.66

Finding the Fourth Proportional to 1,474.06, 2,209.92 and 499.66

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Solution

The fourth proportional to 1,474.06, 2,209.92 and 499.66 is: 749.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,474.06 : 2,209.92 = 499.66 : x
  2. Step 2: Convert to fraction form
    1,474.06/2,209.92 = 499.66/x
  3. Step 3: Cross multiply
    1,474.06x = 2,209.92 × 499.66
  4. Step 4: Simplify right side
    1,474.06x = 1,104,208.63
  5. Step 5: Solve for x
    x = 1,104,208.63/1,474.06
  6. Step 6: Final answer
    x = 749.09

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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.