Home / 799,891.21-1,103,918.25-455,832.37

Finding the Fourth Proportional to 799,891.21, 1,103,918.25 and 455,832.37

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Solution

The fourth proportional to 799,891.21, 1,103,918.25 and 455,832.37 is: 629,087.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    799,891.21 : 1,103,918.25 = 455,832.37 : x
  2. Step 2: Convert to fraction form
    799,891.21/1,103,918.25 = 455,832.37/x
  3. Step 3: Cross multiply
    799,891.21x = 1,103,918.25 × 455,832.37
  4. Step 4: Simplify right side
    799,891.21x = 503,201,672,183.75
  5. Step 5: Solve for x
    x = 503,201,672,183.75/799,891.21
  6. Step 6: Final answer
    x = 629,087.64

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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.