Home / 327,897.40-491,846.10-323,231.80

Finding the Fourth Proportional to 327,897.40, 491,846.10 and 323,231.80

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Solution

The fourth proportional to 327,897.40, 491,846.10 and 323,231.80 is: 484,847.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,897.40 : 491,846.10 = 323,231.80 : x
  2. Step 2: Convert to fraction form
    327,897.40/491,846.10 = 323,231.80/x
  3. Step 3: Cross multiply
    327,897.40x = 491,846.10 × 323,231.80
  4. Step 4: Simplify right side
    327,897.40x = 158,980,300,225.98
  5. Step 5: Solve for x
    x = 158,980,300,225.98/327,897.40
  6. Step 6: Final answer
    x = 484,847.70

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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.