Home / 838,464.86-1,257,697.68-269,845.88

Finding the Fourth Proportional to 838,464.86, 1,257,697.68 and 269,845.88

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Solution

The fourth proportional to 838,464.86, 1,257,697.68 and 269,845.88 is: 404,768.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,464.86 : 1,257,697.68 = 269,845.88 : x
  2. Step 2: Convert to fraction form
    838,464.86/1,257,697.68 = 269,845.88/x
  3. Step 3: Cross multiply
    838,464.86x = 1,257,697.68 × 269,845.88
  4. Step 4: Simplify right side
    838,464.86x = 339,384,538,525.58
  5. Step 5: Solve for x
    x = 339,384,538,525.58/838,464.86
  6. Step 6: Final answer
    x = 404,768.95

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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.