Home / 1,216,177.44-1,678,244.55-699,847.86

Finding the Fourth Proportional to 1,216,177.44, 1,678,244.55 and 699,847.86

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Solution

The fourth proportional to 1,216,177.44, 1,678,244.55 and 699,847.86 is: 965,743.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,216,177.44 : 1,678,244.55 = 699,847.86 : x
  2. Step 2: Convert to fraction form
    1,216,177.44/1,678,244.55 = 699,847.86/x
  3. Step 3: Cross multiply
    1,216,177.44x = 1,678,244.55 × 699,847.86
  4. Step 4: Simplify right side
    1,216,177.44x = 1,174,515,856,874.16
  5. Step 5: Solve for x
    x = 1,174,515,856,874.16/1,216,177.44
  6. Step 6: Final answer
    x = 965,743.83

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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.