Home / 823,839.12-1,136,837.16-461,179.44

Finding the Fourth Proportional to 823,839.12, 1,136,837.16 and 461,179.44

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Solution

The fourth proportional to 823,839.12, 1,136,837.16 and 461,179.44 is: 636,393.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,839.12 : 1,136,837.16 = 461,179.44 : x
  2. Step 2: Convert to fraction form
    823,839.12/1,136,837.16 = 461,179.44/x
  3. Step 3: Cross multiply
    823,839.12x = 1,136,837.16 × 461,179.44
  4. Step 4: Simplify right side
    823,839.12x = 524,285,924,819.99
  5. Step 5: Solve for x
    x = 524,285,924,819.99/823,839.12
  6. Step 6: Final answer
    x = 636,393.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.