Home / 1,086,601.05-1,629,828.68-287,865.45

Finding the Fourth Proportional to 1,086,601.05, 1,629,828.68 and 287,865.45

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Solution

The fourth proportional to 1,086,601.05, 1,629,828.68 and 287,865.45 is: 431,778.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,086,601.05 : 1,629,828.68 = 287,865.45 : x
  2. Step 2: Convert to fraction form
    1,086,601.05/1,629,828.68 = 287,865.45/x
  3. Step 3: Cross multiply
    1,086,601.05x = 1,629,828.68 × 287,865.45
  4. Step 4: Simplify right side
    1,086,601.05x = 469,171,364,951.78
  5. Step 5: Solve for x
    x = 469,171,364,951.78/1,086,601.05
  6. Step 6: Final answer
    x = 431,778.86

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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.