Home / 587,642.23-881,712.39-321,091.33

Finding the Fourth Proportional to 587,642.23, 881,712.39 and 321,091.33

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Solution

The fourth proportional to 587,642.23, 881,712.39 and 321,091.33 is: 481,773.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,642.23 : 881,712.39 = 321,091.33 : x
  2. Step 2: Convert to fraction form
    587,642.23/881,712.39 = 321,091.33/x
  3. Step 3: Cross multiply
    587,642.23x = 881,712.39 × 321,091.33
  4. Step 4: Simplify right side
    587,642.23x = 283,110,203,982.58
  5. Step 5: Solve for x
    x = 283,110,203,982.58/587,642.23
  6. Step 6: Final answer
    x = 481,773.07

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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.