Home / 695,687.80-1,042,924.20-269,514.40

Finding the Fourth Proportional to 695,687.80, 1,042,924.20 and 269,514.40

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Solution

The fourth proportional to 695,687.80, 1,042,924.20 and 269,514.40 is: 404,036.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,687.80 : 1,042,924.20 = 269,514.40 : x
  2. Step 2: Convert to fraction form
    695,687.80/1,042,924.20 = 269,514.40/x
  3. Step 3: Cross multiply
    695,687.80x = 1,042,924.20 × 269,514.40
  4. Step 4: Simplify right side
    695,687.80x = 281,083,090,008.48
  5. Step 5: Solve for x
    x = 281,083,090,008.48/695,687.80
  6. Step 6: Final answer
    x = 404,036.25

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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.