Home / 734,329.09-1,100,735.82-308,112.43

Finding the Fourth Proportional to 734,329.09, 1,100,735.82 and 308,112.43

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Solution

The fourth proportional to 734,329.09, 1,100,735.82 and 308,112.43 is: 461,850.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    734,329.09 : 1,100,735.82 = 308,112.43 : x
  2. Step 2: Convert to fraction form
    734,329.09/1,100,735.82 = 308,112.43/x
  3. Step 3: Cross multiply
    734,329.09x = 1,100,735.82 × 308,112.43
  4. Step 4: Simplify right side
    734,329.09x = 339,150,388,288.24
  5. Step 5: Solve for x
    x = 339,150,388,288.24/734,329.09
  6. Step 6: Final answer
    x = 461,850.68

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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.