Home / 1,203,857.40-1,805,972.94-405,076.68

Finding the Fourth Proportional to 1,203,857.40, 1,805,972.94 and 405,076.68

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Solution

The fourth proportional to 1,203,857.40, 1,805,972.94 and 405,076.68 is: 607,677.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,203,857.40 : 1,805,972.94 = 405,076.68 : x
  2. Step 2: Convert to fraction form
    1,203,857.40/1,805,972.94 = 405,076.68/x
  3. Step 3: Cross multiply
    1,203,857.40x = 1,805,972.94 × 405,076.68
  4. Step 4: Simplify right side
    1,203,857.40x = 731,557,522,705.04
  5. Step 5: Solve for x
    x = 731,557,522,705.04/1,203,857.40
  6. Step 6: Final answer
    x = 607,677.89

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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.