Home / 825,605.12-1,238,408.76-226,574.48

Finding the Fourth Proportional to 825,605.12, 1,238,408.76 and 226,574.48

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Solution

The fourth proportional to 825,605.12, 1,238,408.76 and 226,574.48 is: 339,862.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,605.12 : 1,238,408.76 = 226,574.48 : x
  2. Step 2: Convert to fraction form
    825,605.12/1,238,408.76 = 226,574.48/x
  3. Step 3: Cross multiply
    825,605.12x = 1,238,408.76 × 226,574.48
  4. Step 4: Simplify right side
    825,605.12x = 280,591,820,824.45
  5. Step 5: Solve for x
    x = 280,591,820,824.45/825,605.12
  6. Step 6: Final answer
    x = 339,862.02

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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.