Home / 1,286,625.60-1,930,629.60-538,747.20

Finding the Fourth Proportional to 1,286,625.60, 1,930,629.60 and 538,747.20

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Solution

The fourth proportional to 1,286,625.60, 1,930,629.60 and 538,747.20 is: 808,410.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,286,625.60 : 1,930,629.60 = 538,747.20 : x
  2. Step 2: Convert to fraction form
    1,286,625.60/1,930,629.60 = 538,747.20/x
  3. Step 3: Cross multiply
    1,286,625.60x = 1,930,629.60 × 538,747.20
  4. Step 4: Simplify right side
    1,286,625.60x = 1,040,121,291,237.12
  5. Step 5: Solve for x
    x = 1,040,121,291,237.12/1,286,625.60
  6. Step 6: Final answer
    x = 808,410.23

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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.