Home / 1,203,788.13-1,805,157.25-455,309.25

Finding the Fourth Proportional to 1,203,788.13, 1,805,157.25 and 455,309.25

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Solution

The fourth proportional to 1,203,788.13, 1,805,157.25 and 455,309.25 is: 682,765.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,203,788.13 : 1,805,157.25 = 455,309.25 : x
  2. Step 2: Convert to fraction form
    1,203,788.13/1,805,157.25 = 455,309.25/x
  3. Step 3: Cross multiply
    1,203,788.13x = 1,805,157.25 × 455,309.25
  4. Step 4: Simplify right side
    1,203,788.13x = 821,904,793,629.56
  5. Step 5: Solve for x
    x = 821,904,793,629.56/1,203,788.13
  6. Step 6: Final answer
    x = 682,765.32

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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.