Home / 693,815.88-957,514.32-387,951.84

Finding the Fourth Proportional to 693,815.88, 957,514.32 and 387,951.84

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Solution

The fourth proportional to 693,815.88, 957,514.32 and 387,951.84 is: 535,400.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,815.88 : 957,514.32 = 387,951.84 : x
  2. Step 2: Convert to fraction form
    693,815.88/957,514.32 = 387,951.84/x
  3. Step 3: Cross multiply
    693,815.88x = 957,514.32 × 387,951.84
  4. Step 4: Simplify right side
    693,815.88x = 371,469,442,270.35
  5. Step 5: Solve for x
    x = 371,469,442,270.35/693,815.88
  6. Step 6: Final answer
    x = 535,400.61

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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.