Home / 823,819.36-1,136,917.56-461,240.04

Finding the Fourth Proportional to 823,819.36, 1,136,917.56 and 461,240.04

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Solution

The fourth proportional to 823,819.36, 1,136,917.56 and 461,240.04 is: 636,537.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,819.36 : 1,136,917.56 = 461,240.04 : x
  2. Step 2: Convert to fraction form
    823,819.36/1,136,917.56 = 461,240.04/x
  3. Step 3: Cross multiply
    823,819.36x = 1,136,917.56 × 461,240.04
  4. Step 4: Simplify right side
    823,819.36x = 524,391,900,851.10
  5. Step 5: Solve for x
    x = 524,391,900,851.10/823,819.36
  6. Step 6: Final answer
    x = 636,537.48

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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.