Home / 427,789.18-590,323.71-236,791.18

Finding the Fourth Proportional to 427,789.18, 590,323.71 and 236,791.18

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Solution

The fourth proportional to 427,789.18, 590,323.71 and 236,791.18 is: 326,757.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,789.18 : 590,323.71 = 236,791.18 : x
  2. Step 2: Convert to fraction form
    427,789.18/590,323.71 = 236,791.18/x
  3. Step 3: Cross multiply
    427,789.18x = 590,323.71 × 236,791.18
  4. Step 4: Simplify right side
    427,789.18x = 139,783,447,872.88
  5. Step 5: Solve for x
    x = 139,783,447,872.88/427,789.18
  6. Step 6: Final answer
    x = 326,757.79

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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.