Home / 405,072.50-558,998.55-232,982.33

Finding the Fourth Proportional to 405,072.50, 558,998.55 and 232,982.33

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Solution

The fourth proportional to 405,072.50, 558,998.55 and 232,982.33 is: 321,514.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,072.50 : 558,998.55 = 232,982.33 : x
  2. Step 2: Convert to fraction form
    405,072.50/558,998.55 = 232,982.33/x
  3. Step 3: Cross multiply
    405,072.50x = 558,998.55 × 232,982.33
  4. Step 4: Simplify right side
    405,072.50x = 130,236,781,850.63
  5. Step 5: Solve for x
    x = 130,236,781,850.63/405,072.50
  6. Step 6: Final answer
    x = 321,514.75

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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.