Home / 682,384.59-941,386.23-395,738.55

Finding the Fourth Proportional to 682,384.59, 941,386.23 and 395,738.55

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Solution

The fourth proportional to 682,384.59, 941,386.23 and 395,738.55 is: 545,942.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,384.59 : 941,386.23 = 395,738.55 : x
  2. Step 2: Convert to fraction form
    682,384.59/941,386.23 = 395,738.55/x
  3. Step 3: Cross multiply
    682,384.59x = 941,386.23 × 395,738.55
  4. Step 4: Simplify right side
    682,384.59x = 372,542,821,650.17
  5. Step 5: Solve for x
    x = 372,542,821,650.17/682,384.59
  6. Step 6: Final answer
    x = 545,942.61

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Double scale
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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.