Home / 1,203,788.62-1,805,158-455,309.74

Finding the Fourth Proportional to 1,203,788.62, 1,805,158 and 455,309.74

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Solution

The fourth proportional to 1,203,788.62, 1,805,158 and 455,309.74 is: 682,766.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,203,788.62 : 1,805,158 = 455,309.74 : x
  2. Step 2: Convert to fraction form
    1,203,788.62/1,805,158 = 455,309.74/x
  3. Step 3: Cross multiply
    1,203,788.62x = 1,805,158 × 455,309.74
  4. Step 4: Simplify right side
    1,203,788.62x = 821,906,019,638.92
  5. Step 5: Solve for x
    x = 821,906,019,638.92/1,203,788.62
  6. Step 6: Final answer
    x = 682,766.07

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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.