Home / 808,196.10-1,114,151.78-635,814.68

Finding the Fourth Proportional to 808,196.10, 1,114,151.78 and 635,814.68

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Solution

The fourth proportional to 808,196.10, 1,114,151.78 and 635,814.68 is: 876,512.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,196.10 : 1,114,151.78 = 635,814.68 : x
  2. Step 2: Convert to fraction form
    808,196.10/1,114,151.78 = 635,814.68/x
  3. Step 3: Cross multiply
    808,196.10x = 1,114,151.78 × 635,814.68
  4. Step 4: Simplify right side
    808,196.10x = 708,394,057,472.13
  5. Step 5: Solve for x
    x = 708,394,057,472.13/808,196.10
  6. Step 6: Final answer
    x = 876,512.59

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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.