Home / 767,121.51-1,059,081.69-682,003.47

Finding the Fourth Proportional to 767,121.51, 1,059,081.69 and 682,003.47

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Solution

The fourth proportional to 767,121.51, 1,059,081.69 and 682,003.47 is: 941,568.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,121.51 : 1,059,081.69 = 682,003.47 : x
  2. Step 2: Convert to fraction form
    767,121.51/1,059,081.69 = 682,003.47/x
  3. Step 3: Cross multiply
    767,121.51x = 1,059,081.69 × 682,003.47
  4. Step 4: Simplify right side
    767,121.51x = 722,297,387,593.46
  5. Step 5: Solve for x
    x = 722,297,387,593.46/767,121.51
  6. Step 6: Final answer
    x = 941,568.42

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.