Home / 409,829.45-565,567.11-228,552.85

Finding the Fourth Proportional to 409,829.45, 565,567.11 and 228,552.85

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Solution

The fourth proportional to 409,829.45, 565,567.11 and 228,552.85 is: 315,404.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,829.45 : 565,567.11 = 228,552.85 : x
  2. Step 2: Convert to fraction form
    409,829.45/565,567.11 = 228,552.85/x
  3. Step 3: Cross multiply
    409,829.45x = 565,567.11 × 228,552.85
  4. Step 4: Simplify right side
    409,829.45x = 129,261,974,856.76
  5. Step 5: Solve for x
    x = 129,261,974,856.76/409,829.45
  6. Step 6: Final answer
    x = 315,404.31

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.