Home / 1,193,142.11-1,789,993.43-394,423.58

Finding the Fourth Proportional to 1,193,142.11, 1,789,993.43 and 394,423.58

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Solution

The fourth proportional to 1,193,142.11, 1,789,993.43 and 394,423.58 is: 591,728.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,193,142.11 : 1,789,993.43 = 394,423.58 : x
  2. Step 2: Convert to fraction form
    1,193,142.11/1,789,993.43 = 394,423.58/x
  3. Step 3: Cross multiply
    1,193,142.11x = 1,789,993.43 × 394,423.58
  4. Step 4: Simplify right side
    1,193,142.11x = 706,015,605,914.99
  5. Step 5: Solve for x
    x = 706,015,605,914.99/1,193,142.11
  6. Step 6: Final answer
    x = 591,728.01

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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.