Home / 1,557,696.06-2,149,619.40-878,632.56

Finding the Fourth Proportional to 1,557,696.06, 2,149,619.40 and 878,632.56

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Solution

The fourth proportional to 1,557,696.06, 2,149,619.40 and 878,632.56 is: 1,212,512.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,557,696.06 : 2,149,619.40 = 878,632.56 : x
  2. Step 2: Convert to fraction form
    1,557,696.06/2,149,619.40 = 878,632.56/x
  3. Step 3: Cross multiply
    1,557,696.06x = 2,149,619.40 × 878,632.56
  4. Step 4: Simplify right side
    1,557,696.06x = 1,888,725,596,447.66
  5. Step 5: Solve for x
    x = 1,888,725,596,447.66/1,557,696.06
  6. Step 6: Final answer
    x = 1,212,512.28

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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.