Home / 1,205,593.22-1,663,712.79-661,738.26

Finding the Fourth Proportional to 1,205,593.22, 1,663,712.79 and 661,738.26

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Solution

The fourth proportional to 1,205,593.22, 1,663,712.79 and 661,738.26 is: 913,195.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,205,593.22 : 1,663,712.79 = 661,738.26 : x
  2. Step 2: Convert to fraction form
    1,205,593.22/1,663,712.79 = 661,738.26/x
  3. Step 3: Cross multiply
    1,205,593.22x = 1,663,712.79 × 661,738.26
  4. Step 4: Simplify right side
    1,205,593.22x = 1,100,942,406,794.35
  5. Step 5: Solve for x
    x = 1,100,942,406,794.35/1,205,593.22
  6. Step 6: Final answer
    x = 913,195.59

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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.