Home / 1,177,257.78-1,765,524.60-378,324.81

Finding the Fourth Proportional to 1,177,257.78, 1,765,524.60 and 378,324.81

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Solution

The fourth proportional to 1,177,257.78, 1,765,524.60 and 378,324.81 is: 567,370.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,177,257.78 : 1,765,524.60 = 378,324.81 : x
  2. Step 2: Convert to fraction form
    1,177,257.78/1,765,524.60 = 378,324.81/x
  3. Step 3: Cross multiply
    1,177,257.78x = 1,765,524.60 × 378,324.81
  4. Step 4: Simplify right side
    1,177,257.78x = 667,941,758,845.33
  5. Step 5: Solve for x
    x = 667,941,758,845.33/1,177,257.78
  6. Step 6: Final answer
    x = 567,370.86

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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.