Home / 1,838,620.92-2,757,248.82-640,235.64

Finding the Fourth Proportional to 1,838,620.92, 2,757,248.82 and 640,235.64

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Solution

The fourth proportional to 1,838,620.92, 2,757,248.82 and 640,235.64 is: 960,115.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,838,620.92 : 2,757,248.82 = 640,235.64 : x
  2. Step 2: Convert to fraction form
    1,838,620.92/2,757,248.82 = 640,235.64/x
  3. Step 3: Cross multiply
    1,838,620.92x = 2,757,248.82 × 640,235.64
  4. Step 4: Simplify right side
    1,838,620.92x = 1,765,288,962,911.94
  5. Step 5: Solve for x
    x = 1,765,288,962,911.94/1,838,620.92
  6. Step 6: Final answer
    x = 960,115.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.