Home / 726,884.92-1,003,101.06-404,588.08

Finding the Fourth Proportional to 726,884.92, 1,003,101.06 and 404,588.08

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Solution

The fourth proportional to 726,884.92, 1,003,101.06 and 404,588.08 is: 558,331.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,884.92 : 1,003,101.06 = 404,588.08 : x
  2. Step 2: Convert to fraction form
    726,884.92/1,003,101.06 = 404,588.08/x
  3. Step 3: Cross multiply
    726,884.92x = 1,003,101.06 × 404,588.08
  4. Step 4: Simplify right side
    726,884.92x = 405,842,731,911.37
  5. Step 5: Solve for x
    x = 405,842,731,911.37/726,884.92
  6. Step 6: Final answer
    x = 558,331.48

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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.