Home / 823,835.20-1,233,679.20-541,825.60

Finding the Fourth Proportional to 823,835.20, 1,233,679.20 and 541,825.60

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Solution

The fourth proportional to 823,835.20, 1,233,679.20 and 541,825.60 is: 811,374.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,835.20 : 1,233,679.20 = 541,825.60 : x
  2. Step 2: Convert to fraction form
    823,835.20/1,233,679.20 = 541,825.60/x
  3. Step 3: Cross multiply
    823,835.20x = 1,233,679.20 × 541,825.60
  4. Step 4: Simplify right side
    823,835.20x = 668,438,972,747.52
  5. Step 5: Solve for x
    x = 668,438,972,747.52/823,835.20
  6. Step 6: Final answer
    x = 811,374.62

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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.