Home / 384,515.40-576,773.10-226,921.80

Finding the Fourth Proportional to 384,515.40, 576,773.10 and 226,921.80

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Solution

The fourth proportional to 384,515.40, 576,773.10 and 226,921.80 is: 340,382.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,515.40 : 576,773.10 = 226,921.80 : x
  2. Step 2: Convert to fraction form
    384,515.40/576,773.10 = 226,921.80/x
  3. Step 3: Cross multiply
    384,515.40x = 576,773.10 × 226,921.80
  4. Step 4: Simplify right side
    384,515.40x = 130,882,390,043.58
  5. Step 5: Solve for x
    x = 130,882,390,043.58/384,515.40
  6. Step 6: Final answer
    x = 340,382.70

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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.