Home / 1,028,781.03-1,542,608.73-816,909.87

Finding the Fourth Proportional to 1,028,781.03, 1,542,608.73 and 816,909.87

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Solution

The fourth proportional to 1,028,781.03, 1,542,608.73 and 816,909.87 is: 1,224,917.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,028,781.03 : 1,542,608.73 = 816,909.87 : x
  2. Step 2: Convert to fraction form
    1,028,781.03/1,542,608.73 = 816,909.87/x
  3. Step 3: Cross multiply
    1,028,781.03x = 1,542,608.73 × 816,909.87
  4. Step 4: Simplify right side
    1,028,781.03x = 1,260,172,297,085.17
  5. Step 5: Solve for x
    x = 1,260,172,297,085.17/1,028,781.03
  6. Step 6: Final answer
    x = 1,224,917.90

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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.