Home / 987,181.58-1,480,772.37-267,523.26

Finding the Fourth Proportional to 987,181.58, 1,480,772.37 and 267,523.26

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Solution

The fourth proportional to 987,181.58, 1,480,772.37 and 267,523.26 is: 401,284.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,181.58 : 1,480,772.37 = 267,523.26 : x
  2. Step 2: Convert to fraction form
    987,181.58/1,480,772.37 = 267,523.26/x
  3. Step 3: Cross multiply
    987,181.58x = 1,480,772.37 × 267,523.26
  4. Step 4: Simplify right side
    987,181.58x = 396,141,051,740.33
  5. Step 5: Solve for x
    x = 396,141,051,740.33/987,181.58
  6. Step 6: Final answer
    x = 401,284.89

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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.