Home / 705,091.23-1,055,297.97-642,057.03

Finding the Fourth Proportional to 705,091.23, 1,055,297.97 and 642,057.03

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Solution

The fourth proportional to 705,091.23, 1,055,297.97 and 642,057.03 is: 960,955.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,091.23 : 1,055,297.97 = 642,057.03 : x
  2. Step 2: Convert to fraction form
    705,091.23/1,055,297.97 = 642,057.03/x
  3. Step 3: Cross multiply
    705,091.23x = 1,055,297.97 × 642,057.03
  4. Step 4: Simplify right side
    705,091.23x = 677,561,480,383.23
  5. Step 5: Solve for x
    x = 677,561,480,383.23/705,091.23
  6. Step 6: Final answer
    x = 960,955.76

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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.