Home / 1,243,757.78-1,716,365.63-699,893.25

Finding the Fourth Proportional to 1,243,757.78, 1,716,365.63 and 699,893.25

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Solution

The fourth proportional to 1,243,757.78, 1,716,365.63 and 699,893.25 is: 965,841.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,243,757.78 : 1,716,365.63 = 699,893.25 : x
  2. Step 2: Convert to fraction form
    1,243,757.78/1,716,365.63 = 699,893.25/x
  3. Step 3: Cross multiply
    1,243,757.78x = 1,716,365.63 × 699,893.25
  4. Step 4: Simplify right side
    1,243,757.78x = 1,201,272,715,469.53
  5. Step 5: Solve for x
    x = 1,201,272,715,469.53/1,243,757.78
  6. Step 6: Final answer
    x = 965,841.37

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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.