Home / 1,183,538.36-1,633,250.25-667,287.78

Finding the Fourth Proportional to 1,183,538.36, 1,633,250.25 and 667,287.78

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Solution

The fourth proportional to 1,183,538.36, 1,633,250.25 and 667,287.78 is: 920,838.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,183,538.36 : 1,633,250.25 = 667,287.78 : x
  2. Step 2: Convert to fraction form
    1,183,538.36/1,633,250.25 = 667,287.78/x
  3. Step 3: Cross multiply
    1,183,538.36x = 1,633,250.25 × 667,287.78
  4. Step 4: Simplify right side
    1,183,538.36x = 1,089,847,933,506.95
  5. Step 5: Solve for x
    x = 1,089,847,933,506.95/1,183,538.36
  6. Step 6: Final answer
    x = 920,838.71

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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.