Home / 1,111,305.78-1,666,946.52-269,858.34

Finding the Fourth Proportional to 1,111,305.78, 1,666,946.52 and 269,858.34

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Solution

The fourth proportional to 1,111,305.78, 1,666,946.52 and 269,858.34 is: 404,784.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,111,305.78 : 1,666,946.52 = 269,858.34 : x
  2. Step 2: Convert to fraction form
    1,111,305.78/1,666,946.52 = 269,858.34/x
  3. Step 3: Cross multiply
    1,111,305.78x = 1,666,946.52 × 269,858.34
  4. Step 4: Simplify right side
    1,111,305.78x = 449,839,420,755.98
  5. Step 5: Solve for x
    x = 449,839,420,755.98/1,111,305.78
  6. Step 6: Final answer
    x = 404,784.56

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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.