Home / 814,198.62-1,123,567.26-491,852.36

Finding the Fourth Proportional to 814,198.62, 1,123,567.26 and 491,852.36

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Solution

The fourth proportional to 814,198.62, 1,123,567.26 and 491,852.36 is: 678,740.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,198.62 : 1,123,567.26 = 491,852.36 : x
  2. Step 2: Convert to fraction form
    814,198.62/1,123,567.26 = 491,852.36/x
  3. Step 3: Cross multiply
    814,198.62x = 1,123,567.26 × 491,852.36
  4. Step 4: Simplify right side
    814,198.62x = 552,629,208,449.73
  5. Step 5: Solve for x
    x = 552,629,208,449.73/814,198.62
  6. Step 6: Final answer
    x = 678,740.05

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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.