Home / 889,836.32-1,227,977.76-481,943

Finding the Fourth Proportional to 889,836.32, 1,227,977.76 and 481,943

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Solution

The fourth proportional to 889,836.32, 1,227,977.76 and 481,943 is: 665,083.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,836.32 : 1,227,977.76 = 481,943 : x
  2. Step 2: Convert to fraction form
    889,836.32/1,227,977.76 = 481,943/x
  3. Step 3: Cross multiply
    889,836.32x = 1,227,977.76 × 481,943
  4. Step 4: Simplify right side
    889,836.32x = 591,815,285,587.68
  5. Step 5: Solve for x
    x = 591,815,285,587.68/889,836.32
  6. Step 6: Final answer
    x = 665,083.31

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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.