Home / 427,811.22-590,379.66-234,231.48

Finding the Fourth Proportional to 427,811.22, 590,379.66 and 234,231.48

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Solution

The fourth proportional to 427,811.22, 590,379.66 and 234,231.48 is: 323,239.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,811.22 : 590,379.66 = 234,231.48 : x
  2. Step 2: Convert to fraction form
    427,811.22/590,379.66 = 234,231.48/x
  3. Step 3: Cross multiply
    427,811.22x = 590,379.66 × 234,231.48
  4. Step 4: Simplify right side
    427,811.22x = 138,285,501,523.70
  5. Step 5: Solve for x
    x = 138,285,501,523.70/427,811.22
  6. Step 6: Final answer
    x = 323,239.54

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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.