Home / 726,911.76-1,003,167.84-404,601.44

Finding the Fourth Proportional to 726,911.76, 1,003,167.84 and 404,601.44

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Solution

The fourth proportional to 726,911.76, 1,003,167.84 and 404,601.44 is: 558,366.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,911.76 : 1,003,167.84 = 404,601.44 : x
  2. Step 2: Convert to fraction form
    726,911.76/1,003,167.84 = 404,601.44/x
  3. Step 3: Cross multiply
    726,911.76x = 1,003,167.84 × 404,601.44
  4. Step 4: Simplify right side
    726,911.76x = 405,883,152,625.69
  5. Step 5: Solve for x
    x = 405,883,152,625.69/726,911.76
  6. Step 6: Final answer
    x = 558,366.47

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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.