Home / 726,910.92-1,003,137-404,614.08

Finding the Fourth Proportional to 726,910.92, 1,003,137 and 404,614.08

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Solution

The fourth proportional to 726,910.92, 1,003,137 and 404,614.08 is: 558,367.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,910.92 : 1,003,137 = 404,614.08 : x
  2. Step 2: Convert to fraction form
    726,910.92/1,003,137 = 404,614.08/x
  3. Step 3: Cross multiply
    726,910.92x = 1,003,137 × 404,614.08
  4. Step 4: Simplify right side
    726,910.92x = 405,883,354,368.96
  5. Step 5: Solve for x
    x = 405,883,354,368.96/726,910.92
  6. Step 6: Final answer
    x = 558,367.39

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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.