Home / 801,792.78-1,105,964.31-526,168.51

Finding the Fourth Proportional to 801,792.78, 1,105,964.31 and 526,168.51

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Solution

The fourth proportional to 801,792.78, 1,105,964.31 and 526,168.51 is: 725,778.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    801,792.78 : 1,105,964.31 = 526,168.51 : x
  2. Step 2: Convert to fraction form
    801,792.78/1,105,964.31 = 526,168.51/x
  3. Step 3: Cross multiply
    801,792.78x = 1,105,964.31 × 526,168.51
  4. Step 4: Simplify right side
    801,792.78x = 581,923,587,874.55
  5. Step 5: Solve for x
    x = 581,923,587,874.55/801,792.78
  6. Step 6: Final answer
    x = 725,778.04

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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.