Home / 415,639.11-573,614.46-231,935.44

Finding the Fourth Proportional to 415,639.11, 573,614.46 and 231,935.44

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Solution

The fourth proportional to 415,639.11, 573,614.46 and 231,935.44 is: 320,089.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,639.11 : 573,614.46 = 231,935.44 : x
  2. Step 2: Convert to fraction form
    415,639.11/573,614.46 = 231,935.44/x
  3. Step 3: Cross multiply
    415,639.11x = 573,614.46 × 231,935.44
  4. Step 4: Simplify right side
    415,639.11x = 133,041,520,736.43
  5. Step 5: Solve for x
    x = 133,041,520,736.43/415,639.11
  6. Step 6: Final answer
    x = 320,089.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.