Home / 1,455,640.66-2,008,757.44-811,046.91

Finding the Fourth Proportional to 1,455,640.66, 2,008,757.44 and 811,046.91

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Solution

The fourth proportional to 1,455,640.66, 2,008,757.44 and 811,046.91 is: 1,119,229.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,455,640.66 : 2,008,757.44 = 811,046.91 : x
  2. Step 2: Convert to fraction form
    1,455,640.66/2,008,757.44 = 811,046.91/x
  3. Step 3: Cross multiply
    1,455,640.66x = 2,008,757.44 × 811,046.91
  4. Step 4: Simplify right side
    1,455,640.66x = 1,629,196,514,651.51
  5. Step 5: Solve for x
    x = 1,629,196,514,651.51/1,455,640.66
  6. Step 6: Final answer
    x = 1,119,229.88

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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.