Home / 481,107.57-721,163.07-395,973.23

Finding the Fourth Proportional to 481,107.57, 721,163.07 and 395,973.23

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Solution

The fourth proportional to 481,107.57, 721,163.07 and 395,973.23 is: 593,549.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,107.57 : 721,163.07 = 395,973.23 : x
  2. Step 2: Convert to fraction form
    481,107.57/721,163.07 = 395,973.23/x
  3. Step 3: Cross multiply
    481,107.57x = 721,163.07 × 395,973.23
  4. Step 4: Simplify right side
    481,107.57x = 285,561,266,578.80
  5. Step 5: Solve for x
    x = 285,561,266,578.80/481,107.57
  6. Step 6: Final answer
    x = 593,549.73

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1.5x scale

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.