Home / 1,331,896-1,997,845.92-543,928

Finding the Fourth Proportional to 1,331,896, 1,997,845.92 and 543,928

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Solution

The fourth proportional to 1,331,896, 1,997,845.92 and 543,928 is: 815,892.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,331,896 : 1,997,845.92 = 543,928 : x
  2. Step 2: Convert to fraction form
    1,331,896/1,997,845.92 = 543,928/x
  3. Step 3: Cross multiply
    1,331,896x = 1,997,845.92 × 543,928
  4. Step 4: Simplify right side
    1,331,896x = 1,086,684,335,573.76
  5. Step 5: Solve for x
    x = 1,086,684,335,573.76/1,331,896
  6. Step 6: Final answer
    x = 815,892.78

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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.