Home / 695,714.80-1,043,145.68-296,128.08

Finding the Fourth Proportional to 695,714.80, 1,043,145.68 and 296,128.08

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Solution

The fourth proportional to 695,714.80, 1,043,145.68 and 296,128.08 is: 444,010.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,714.80 : 1,043,145.68 = 296,128.08 : x
  2. Step 2: Convert to fraction form
    695,714.80/1,043,145.68 = 296,128.08/x
  3. Step 3: Cross multiply
    695,714.80x = 1,043,145.68 × 296,128.08
  4. Step 4: Simplify right side
    695,714.80x = 308,904,727,378.69
  5. Step 5: Solve for x
    x = 308,904,727,378.69/695,714.80
  6. Step 6: Final answer
    x = 444,010.57

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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.