Home / 853,983.72-1,279,939.74-627,241.68

Finding the Fourth Proportional to 853,983.72, 1,279,939.74 and 627,241.68

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Solution

The fourth proportional to 853,983.72, 1,279,939.74 and 627,241.68 is: 940,101.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,983.72 : 1,279,939.74 = 627,241.68 : x
  2. Step 2: Convert to fraction form
    853,983.72/1,279,939.74 = 627,241.68/x
  3. Step 3: Cross multiply
    853,983.72x = 1,279,939.74 × 627,241.68
  4. Step 4: Simplify right side
    853,983.72x = 802,831,552,816.36
  5. Step 5: Solve for x
    x = 802,831,552,816.36/853,983.72
  6. Step 6: Final answer
    x = 940,101.71

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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.