Home / 727,105.24-1,091,112.54-277,864.48

Finding the Fourth Proportional to 727,105.24, 1,091,112.54 and 277,864.48

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Solution

The fourth proportional to 727,105.24, 1,091,112.54 and 277,864.48 is: 416,970.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,105.24 : 1,091,112.54 = 277,864.48 : x
  2. Step 2: Convert to fraction form
    727,105.24/1,091,112.54 = 277,864.48/x
  3. Step 3: Cross multiply
    727,105.24x = 1,091,112.54 × 277,864.48
  4. Step 4: Simplify right side
    727,105.24x = 303,181,418,548.58
  5. Step 5: Solve for x
    x = 303,181,418,548.58/727,105.24
  6. Step 6: Final answer
    x = 416,970.48

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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.