Home / 822,597.20-1,233,983.40-261,500.48

Finding the Fourth Proportional to 822,597.20, 1,233,983.40 and 261,500.48

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Solution

The fourth proportional to 822,597.20, 1,233,983.40 and 261,500.48 is: 392,278.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    822,597.20 : 1,233,983.40 = 261,500.48 : x
  2. Step 2: Convert to fraction form
    822,597.20/1,233,983.40 = 261,500.48/x
  3. Step 3: Cross multiply
    822,597.20x = 1,233,983.40 × 261,500.48
  4. Step 4: Simplify right side
    822,597.20x = 322,687,251,412.03
  5. Step 5: Solve for x
    x = 322,687,251,412.03/822,597.20
  6. Step 6: Final answer
    x = 392,278.57

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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.