Home / 1,077,817.88-1,616,986.57-403,905.07

Finding the Fourth Proportional to 1,077,817.88, 1,616,986.57 and 403,905.07

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Solution

The fourth proportional to 1,077,817.88, 1,616,986.57 and 403,905.07 is: 605,954.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,077,817.88 : 1,616,986.57 = 403,905.07 : x
  2. Step 2: Convert to fraction form
    1,077,817.88/1,616,986.57 = 403,905.07/x
  3. Step 3: Cross multiply
    1,077,817.88x = 1,616,986.57 × 403,905.07
  4. Step 4: Simplify right side
    1,077,817.88x = 653,109,073,744.91
  5. Step 5: Solve for x
    x = 653,109,073,744.91/1,077,817.88
  6. Step 6: Final answer
    x = 605,954.94

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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.