Home / 726,144.99-1,002,092.94-403,855.20

Finding the Fourth Proportional to 726,144.99, 1,002,092.94 and 403,855.20

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Solution

The fourth proportional to 726,144.99, 1,002,092.94 and 403,855.20 is: 557,327.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,144.99 : 1,002,092.94 = 403,855.20 : x
  2. Step 2: Convert to fraction form
    726,144.99/1,002,092.94 = 403,855.20/x
  3. Step 3: Cross multiply
    726,144.99x = 1,002,092.94 × 403,855.20
  4. Step 4: Simplify right side
    726,144.99x = 404,700,444,702.29
  5. Step 5: Solve for x
    x = 404,700,444,702.29/726,144.99
  6. Step 6: Final answer
    x = 557,327.32

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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.