Home / 656,789.65-985,317.41-277,709.77

Finding the Fourth Proportional to 656,789.65, 985,317.41 and 277,709.77

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Solution

The fourth proportional to 656,789.65, 985,317.41 and 277,709.77 is: 416,620.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,789.65 : 985,317.41 = 277,709.77 : x
  2. Step 2: Convert to fraction form
    656,789.65/985,317.41 = 277,709.77/x
  3. Step 3: Cross multiply
    656,789.65x = 985,317.41 × 277,709.77
  4. Step 4: Simplify right side
    656,789.65x = 273,632,267,691.61
  5. Step 5: Solve for x
    x = 273,632,267,691.61/656,789.65
  6. Step 6: Final answer
    x = 416,620.86

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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.