Home / 1,122,026.44-1,682,982.30-411,999.88

Finding the Fourth Proportional to 1,122,026.44, 1,682,982.30 and 411,999.88

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Solution

The fourth proportional to 1,122,026.44, 1,682,982.30 and 411,999.88 is: 617,978.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,122,026.44 : 1,682,982.30 = 411,999.88 : x
  2. Step 2: Convert to fraction form
    1,122,026.44/1,682,982.30 = 411,999.88/x
  3. Step 3: Cross multiply
    1,122,026.44x = 1,682,982.30 × 411,999.88
  4. Step 4: Simplify right side
    1,122,026.44x = 693,388,505,642.12
  5. Step 5: Solve for x
    x = 693,388,505,642.12/1,122,026.44
  6. Step 6: Final answer
    x = 617,978.76

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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.