Home / 1,397,729.58-1,928,845.48-785,882.91

Finding the Fourth Proportional to 1,397,729.58, 1,928,845.48 and 785,882.91

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Solution

The fourth proportional to 1,397,729.58, 1,928,845.48 and 785,882.91 is: 1,084,506.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,397,729.58 : 1,928,845.48 = 785,882.91 : x
  2. Step 2: Convert to fraction form
    1,397,729.58/1,928,845.48 = 785,882.91/x
  3. Step 3: Cross multiply
    1,397,729.58x = 1,928,845.48 × 785,882.91
  4. Step 4: Simplify right side
    1,397,729.58x = 1,515,846,694,833.33
  5. Step 5: Solve for x
    x = 1,515,846,694,833.33/1,397,729.58
  6. Step 6: Final answer
    x = 1,084,506.41

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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.