Home / 682,384.50-941,386.32-395,738.46

Finding the Fourth Proportional to 682,384.50, 941,386.32 and 395,738.46

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Solution

The fourth proportional to 682,384.50, 941,386.32 and 395,738.46 is: 545,942.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,384.50 : 941,386.32 = 395,738.46 : x
  2. Step 2: Convert to fraction form
    682,384.50/941,386.32 = 395,738.46/x
  3. Step 3: Cross multiply
    682,384.50x = 941,386.32 × 395,738.46
  4. Step 4: Simplify right side
    682,384.50x = 372,542,772,541.87
  5. Step 5: Solve for x
    x = 372,542,772,541.87/682,384.50
  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.