Home / 677,408.85-1,016,113.28-228,092.10

Finding the Fourth Proportional to 677,408.85, 1,016,113.28 and 228,092.10

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Solution

The fourth proportional to 677,408.85, 1,016,113.28 and 228,092.10 is: 342,138.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,408.85 : 1,016,113.28 = 228,092.10 : x
  2. Step 2: Convert to fraction form
    677,408.85/1,016,113.28 = 228,092.10/x
  3. Step 3: Cross multiply
    677,408.85x = 1,016,113.28 × 228,092.10
  4. Step 4: Simplify right side
    677,408.85x = 231,767,414,562.37
  5. Step 5: Solve for x
    x = 231,767,414,562.37/677,408.85
  6. Step 6: Final answer
    x = 342,138.16

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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.