Home / 863,836.78-1,192,019.97-557,926.48

Finding the Fourth Proportional to 863,836.78, 1,192,019.97 and 557,926.48

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Solution

The fourth proportional to 863,836.78, 1,192,019.97 and 557,926.48 is: 769,890.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,836.78 : 1,192,019.97 = 557,926.48 : x
  2. Step 2: Convert to fraction form
    863,836.78/1,192,019.97 = 557,926.48/x
  3. Step 3: Cross multiply
    863,836.78x = 1,192,019.97 × 557,926.48
  4. Step 4: Simplify right side
    863,836.78x = 665,059,505,951.81
  5. Step 5: Solve for x
    x = 665,059,505,951.81/863,836.78
  6. Step 6: Final answer
    x = 769,890.24

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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.