Home / 587,110.80-879,629.40-481,357.20

Finding the Fourth Proportional to 587,110.80, 879,629.40 and 481,357.20

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Solution

The fourth proportional to 587,110.80, 879,629.40 and 481,357.20 is: 721,185.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,110.80 : 879,629.40 = 481,357.20 : x
  2. Step 2: Convert to fraction form
    587,110.80/879,629.40 = 481,357.20/x
  3. Step 3: Cross multiply
    587,110.80x = 879,629.40 × 481,357.20
  4. Step 4: Simplify right side
    587,110.80x = 423,415,945,021.68
  5. Step 5: Solve for x
    x = 423,415,945,021.68/587,110.80
  6. Step 6: Final answer
    x = 721,185.75

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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.