Home / 537,910.54-742,321.53-296,198.64

Finding the Fourth Proportional to 537,910.54, 742,321.53 and 296,198.64

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Solution

The fourth proportional to 537,910.54, 742,321.53 and 296,198.64 is: 408,756.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,910.54 : 742,321.53 = 296,198.64 : x
  2. Step 2: Convert to fraction form
    537,910.54/742,321.53 = 296,198.64/x
  3. Step 3: Cross multiply
    537,910.54x = 742,321.53 × 296,198.64
  4. Step 4: Simplify right side
    537,910.54x = 219,874,627,628.72
  5. Step 5: Solve for x
    x = 219,874,627,628.72/537,910.54
  6. Step 6: Final answer
    x = 408,756.87

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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.