Home / 398,252.14-597,378.21-231,923.50

Finding the Fourth Proportional to 398,252.14, 597,378.21 and 231,923.50

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Solution

The fourth proportional to 398,252.14, 597,378.21 and 231,923.50 is: 347,885.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,252.14 : 597,378.21 = 231,923.50 : x
  2. Step 2: Convert to fraction form
    398,252.14/597,378.21 = 231,923.50/x
  3. Step 3: Cross multiply
    398,252.14x = 597,378.21 × 231,923.50
  4. Step 4: Simplify right side
    398,252.14x = 138,546,045,286.94
  5. Step 5: Solve for x
    x = 138,546,045,286.94/398,252.14
  6. Step 6: Final answer
    x = 347,885.25

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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.