Home / 838,912.68-1,257,871.32-333,201.60

Finding the Fourth Proportional to 838,912.68, 1,257,871.32 and 333,201.60

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Solution

The fourth proportional to 838,912.68, 1,257,871.32 and 333,201.60 is: 499,604.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,912.68 : 1,257,871.32 = 333,201.60 : x
  2. Step 2: Convert to fraction form
    838,912.68/1,257,871.32 = 333,201.60/x
  3. Step 3: Cross multiply
    838,912.68x = 1,257,871.32 × 333,201.60
  4. Step 4: Simplify right side
    838,912.68x = 419,124,736,418.11
  5. Step 5: Solve for x
    x = 419,124,736,418.11/838,912.68
  6. Step 6: Final answer
    x = 499,604.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.