Home / 432,822.90-649,234.35-273,390.60

Finding the Fourth Proportional to 432,822.90, 649,234.35 and 273,390.60

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Solution

The fourth proportional to 432,822.90, 649,234.35 and 273,390.60 is: 410,085.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,822.90 : 649,234.35 = 273,390.60 : x
  2. Step 2: Convert to fraction form
    432,822.90/649,234.35 = 273,390.60/x
  3. Step 3: Cross multiply
    432,822.90x = 649,234.35 × 273,390.60
  4. Step 4: Simplify right side
    432,822.90x = 177,494,568,487.11
  5. Step 5: Solve for x
    x = 177,494,568,487.11/432,822.90
  6. Step 6: Final answer
    x = 410,085.90

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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.