Home / 405,003.96-558,936.10-232,974.60

Finding the Fourth Proportional to 405,003.96, 558,936.10 and 232,974.60

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Solution

The fourth proportional to 405,003.96, 558,936.10 and 232,974.60 is: 321,522.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,003.96 : 558,936.10 = 232,974.60 : x
  2. Step 2: Convert to fraction form
    405,003.96/558,936.10 = 232,974.60/x
  3. Step 3: Cross multiply
    405,003.96x = 558,936.10 × 232,974.60
  4. Step 4: Simplify right side
    405,003.96x = 130,217,914,323.06
  5. Step 5: Solve for x
    x = 130,217,914,323.06/405,003.96
  6. Step 6: Final answer
    x = 321,522.57

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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.