Home / 3,511,459.82-5,267,189.77-987,115.07

Finding the Fourth Proportional to 3,511,459.82, 5,267,189.77 and 987,115.07

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Solution

The fourth proportional to 3,511,459.82, 5,267,189.77 and 987,115.07 is: 1,480,672.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,511,459.82 : 5,267,189.77 = 987,115.07 : x
  2. Step 2: Convert to fraction form
    3,511,459.82/5,267,189.77 = 987,115.07/x
  3. Step 3: Cross multiply
    3,511,459.82x = 5,267,189.77 × 987,115.07
  4. Step 4: Simplify right side
    3,511,459.82x = 5,199,322,409,217.02
  5. Step 5: Solve for x
    x = 5,199,322,409,217.02/3,511,459.82
  6. Step 6: Final answer
    x = 1,480,672.62

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Double scale
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Similar ratio
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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.