Home / 286,739.22-394,849.17-206,024.34

Finding the Fourth Proportional to 286,739.22, 394,849.17 and 206,024.34

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Solution

The fourth proportional to 286,739.22, 394,849.17 and 206,024.34 is: 283,702.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,739.22 : 394,849.17 = 206,024.34 : x
  2. Step 2: Convert to fraction form
    286,739.22/394,849.17 = 206,024.34/x
  3. Step 3: Cross multiply
    286,739.22x = 394,849.17 × 206,024.34
  4. Step 4: Simplify right side
    286,739.22x = 81,348,539,648.80
  5. Step 5: Solve for x
    x = 81,348,539,648.80/286,739.22
  6. Step 6: Final answer
    x = 283,702.17

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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.