Home / 726,898.98-1,003,098.26-404,600.79

Finding the Fourth Proportional to 726,898.98, 1,003,098.26 and 404,600.79

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Solution

The fourth proportional to 726,898.98, 1,003,098.26 and 404,600.79 is: 558,336.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,898.98 : 1,003,098.26 = 404,600.79 : x
  2. Step 2: Convert to fraction form
    726,898.98/1,003,098.26 = 404,600.79/x
  3. Step 3: Cross multiply
    726,898.98x = 1,003,098.26 × 404,600.79
  4. Step 4: Simplify right side
    726,898.98x = 405,854,348,443.63
  5. Step 5: Solve for x
    x = 405,854,348,443.63/726,898.98
  6. Step 6: Final answer
    x = 558,336.66

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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.