Home / 526,563.68-789,129.80-222,705.36

Finding the Fourth Proportional to 526,563.68, 789,129.80 and 222,705.36

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Solution

The fourth proportional to 526,563.68, 789,129.80 and 222,705.36 is: 333,755.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,563.68 : 789,129.80 = 222,705.36 : x
  2. Step 2: Convert to fraction form
    526,563.68/789,129.80 = 222,705.36/x
  3. Step 3: Cross multiply
    526,563.68x = 789,129.80 × 222,705.36
  4. Step 4: Simplify right side
    526,563.68x = 175,743,436,195.73
  5. Step 5: Solve for x
    x = 175,743,436,195.73/526,563.68
  6. Step 6: Final answer
    x = 333,755.33

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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.