Home / 823,646.15-1,236,268.19-397,481.91

Finding the Fourth Proportional to 823,646.15, 1,236,268.19 and 397,481.91

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Solution

The fourth proportional to 823,646.15, 1,236,268.19 and 397,481.91 is: 596,608.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,646.15 : 1,236,268.19 = 397,481.91 : x
  2. Step 2: Convert to fraction form
    823,646.15/1,236,268.19 = 397,481.91/x
  3. Step 3: Cross multiply
    823,646.15x = 1,236,268.19 × 397,481.91
  4. Step 4: Simplify right side
    823,646.15x = 491,394,233,264.69
  5. Step 5: Solve for x
    x = 491,394,233,264.69/823,646.15
  6. Step 6: Final answer
    x = 596,608.43

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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.