Home / 1,228,847.73-1,695,785.60-684,951.09

Finding the Fourth Proportional to 1,228,847.73, 1,695,785.60 and 684,951.09

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Solution

The fourth proportional to 1,228,847.73, 1,695,785.60 and 684,951.09 is: 945,218.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,228,847.73 : 1,695,785.60 = 684,951.09 : x
  2. Step 2: Convert to fraction form
    1,228,847.73/1,695,785.60 = 684,951.09/x
  3. Step 3: Cross multiply
    1,228,847.73x = 1,695,785.60 × 684,951.09
  4. Step 4: Simplify right side
    1,228,847.73x = 1,161,530,183,222.62
  5. Step 5: Solve for x
    x = 1,161,530,183,222.62/1,228,847.73
  6. Step 6: Final answer
    x = 945,218.97

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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.