Home / 1,277,731.52-1,917,843.78-1,055,357.36

Finding the Fourth Proportional to 1,277,731.52, 1,917,843.78 and 1,055,357.36

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Solution

The fourth proportional to 1,277,731.52, 1,917,843.78 and 1,055,357.36 is: 1,584,065.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,277,731.52 : 1,917,843.78 = 1,055,357.36 : x
  2. Step 2: Convert to fraction form
    1,277,731.52/1,917,843.78 = 1,055,357.36/x
  3. Step 3: Cross multiply
    1,277,731.52x = 1,917,843.78 × 1,055,357.36
  4. Step 4: Simplify right side
    1,277,731.52x = 2,024,010,548,553.22
  5. Step 5: Solve for x
    x = 2,024,010,548,553.22/1,277,731.52
  6. Step 6: Final answer
    x = 1,584,065.60

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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.