Home / 1,055,997.40-1,581,845.70-655,408.60

Finding the Fourth Proportional to 1,055,997.40, 1,581,845.70 and 655,408.60

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Solution

The fourth proportional to 1,055,997.40, 1,581,845.70 and 655,408.60 is: 981,778.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,055,997.40 : 1,581,845.70 = 655,408.60 : x
  2. Step 2: Convert to fraction form
    1,055,997.40/1,581,845.70 = 655,408.60/x
  3. Step 3: Cross multiply
    1,055,997.40x = 1,581,845.70 × 655,408.60
  4. Step 4: Simplify right side
    1,055,997.40x = 1,036,755,275,653.02
  5. Step 5: Solve for x
    x = 1,036,755,275,653.02/1,055,997.40
  6. Step 6: Final answer
    x = 981,778.25

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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.