Home / 1,415,054.61-2,122,067.97-616,143.51

Finding the Fourth Proportional to 1,415,054.61, 2,122,067.97 and 616,143.51

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Solution

The fourth proportional to 1,415,054.61, 2,122,067.97 and 616,143.51 is: 923,991.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,415,054.61 : 2,122,067.97 = 616,143.51 : x
  2. Step 2: Convert to fraction form
    1,415,054.61/2,122,067.97 = 616,143.51/x
  3. Step 3: Cross multiply
    1,415,054.61x = 2,122,067.97 × 616,143.51
  4. Step 4: Simplify right side
    1,415,054.61x = 1,307,498,407,494.37
  5. Step 5: Solve for x
    x = 1,307,498,407,494.37/1,415,054.61
  6. Step 6: Final answer
    x = 923,991.48

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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.