Home / 682,384.62-941,386.20-395,738.58

Finding the Fourth Proportional to 682,384.62, 941,386.20 and 395,738.58

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Solution

The fourth proportional to 682,384.62, 941,386.20 and 395,738.58 is: 545,942.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,384.62 : 941,386.20 = 395,738.58 : x
  2. Step 2: Convert to fraction form
    682,384.62/941,386.20 = 395,738.58/x
  3. Step 3: Cross multiply
    682,384.62x = 941,386.20 × 395,738.58
  4. Step 4: Simplify right side
    682,384.62x = 372,542,838,019.60
  5. Step 5: Solve for x
    x = 372,542,838,019.60/682,384.62
  6. Step 6: Final answer
    x = 545,942.61

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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.