Home / 1,320,593.83-1,981,174.79-409,758.03

Finding the Fourth Proportional to 1,320,593.83, 1,981,174.79 and 409,758.03

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Solution

The fourth proportional to 1,320,593.83, 1,981,174.79 and 409,758.03 is: 614,725.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,320,593.83 : 1,981,174.79 = 409,758.03 : x
  2. Step 2: Convert to fraction form
    1,320,593.83/1,981,174.79 = 409,758.03/x
  3. Step 3: Cross multiply
    1,320,593.83x = 1,981,174.79 × 409,758.03
  4. Step 4: Simplify right side
    1,320,593.83x = 811,802,279,036.06
  5. Step 5: Solve for x
    x = 811,802,279,036.06/1,320,593.83
  6. Step 6: Final answer
    x = 614,725.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.