Home / 427,827.22-590,408.55-234,231.68

Finding the Fourth Proportional to 427,827.22, 590,408.55 and 234,231.68

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Solution

The fourth proportional to 427,827.22, 590,408.55 and 234,231.68 is: 323,243.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,827.22 : 590,408.55 = 234,231.68 : x
  2. Step 2: Convert to fraction form
    427,827.22/590,408.55 = 234,231.68/x
  3. Step 3: Cross multiply
    427,827.22x = 590,408.55 × 234,231.68
  4. Step 4: Simplify right side
    427,827.22x = 138,292,388,028.89
  5. Step 5: Solve for x
    x = 138,292,388,028.89/427,827.22
  6. Step 6: Final answer
    x = 323,243.55

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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.