Home / 436,520.54-654,560.69-132,856.44

Finding the Fourth Proportional to 436,520.54, 654,560.69 and 132,856.44

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Solution

The fourth proportional to 436,520.54, 654,560.69 and 132,856.44 is: 199,217.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,520.54 : 654,560.69 = 132,856.44 : x
  2. Step 2: Convert to fraction form
    436,520.54/654,560.69 = 132,856.44/x
  3. Step 3: Cross multiply
    436,520.54x = 654,560.69 × 132,856.44
  4. Step 4: Simplify right side
    436,520.54x = 86,962,603,037.34
  5. Step 5: Solve for x
    x = 86,962,603,037.34/436,520.54
  6. Step 6: Final answer
    x = 199,217.67

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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.