Home / 823,227.54-1,235,062.98-423,650.58

Finding the Fourth Proportional to 823,227.54, 1,235,062.98 and 423,650.58

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Solution

The fourth proportional to 823,227.54, 1,235,062.98 and 423,650.58 is: 635,589.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,227.54 : 1,235,062.98 = 423,650.58 : x
  2. Step 2: Convert to fraction form
    823,227.54/1,235,062.98 = 423,650.58/x
  3. Step 3: Cross multiply
    823,227.54x = 1,235,062.98 × 423,650.58
  4. Step 4: Simplify right side
    823,227.54x = 523,235,147,813.53
  5. Step 5: Solve for x
    x = 523,235,147,813.53/823,227.54
  6. Step 6: Final answer
    x = 635,589.95

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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.