Home / 432,823.10-649,234.65-327,847.10

Finding the Fourth Proportional to 432,823.10, 649,234.65 and 327,847.10

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Solution

The fourth proportional to 432,823.10, 649,234.65 and 327,847.10 is: 491,770.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,823.10 : 649,234.65 = 327,847.10 : x
  2. Step 2: Convert to fraction form
    432,823.10/649,234.65 = 327,847.10/x
  3. Step 3: Cross multiply
    432,823.10x = 649,234.65 × 327,847.10
  4. Step 4: Simplify right side
    432,823.10x = 212,849,697,222.02
  5. Step 5: Solve for x
    x = 212,849,697,222.02/432,823.10
  6. Step 6: Final answer
    x = 491,770.65

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Similar ratio
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1.5x scale

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.