Home / 1,115,993.25-1,540,083.60-619,287.33

Finding the Fourth Proportional to 1,115,993.25, 1,540,083.60 and 619,287.33

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Solution

The fourth proportional to 1,115,993.25, 1,540,083.60 and 619,287.33 is: 854,623.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,115,993.25 : 1,540,083.60 = 619,287.33 : x
  2. Step 2: Convert to fraction form
    1,115,993.25/1,540,083.60 = 619,287.33/x
  3. Step 3: Cross multiply
    1,115,993.25x = 1,540,083.60 × 619,287.33
  4. Step 4: Simplify right side
    1,115,993.25x = 953,754,260,620.79
  5. Step 5: Solve for x
    x = 953,754,260,620.79/1,115,993.25
  6. Step 6: Final answer
    x = 854,623.68

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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.