Home / 682,127.62-1,022,210.55-469,136.03

Finding the Fourth Proportional to 682,127.62, 1,022,210.55 and 469,136.03

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Solution

The fourth proportional to 682,127.62, 1,022,210.55 and 469,136.03 is: 703,029.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,127.62 : 1,022,210.55 = 469,136.03 : x
  2. Step 2: Convert to fraction form
    682,127.62/1,022,210.55 = 469,136.03/x
  3. Step 3: Cross multiply
    682,127.62x = 1,022,210.55 × 469,136.03
  4. Step 4: Simplify right side
    682,127.62x = 479,555,796,214.09
  5. Step 5: Solve for x
    x = 479,555,796,214.09/682,127.62
  6. Step 6: Final answer
    x = 703,029.44

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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.