Home / 1,149,603.17-1,586,452.82-666,448.43

Finding the Fourth Proportional to 1,149,603.17, 1,586,452.82 and 666,448.43

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Solution

The fourth proportional to 1,149,603.17, 1,586,452.82 and 666,448.43 is: 919,699.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,149,603.17 : 1,586,452.82 = 666,448.43 : x
  2. Step 2: Convert to fraction form
    1,149,603.17/1,586,452.82 = 666,448.43/x
  3. Step 3: Cross multiply
    1,149,603.17x = 1,586,452.82 × 666,448.43
  4. Step 4: Simplify right side
    1,149,603.17x = 1,057,288,979,893.57
  5. Step 5: Solve for x
    x = 1,057,288,979,893.57/1,149,603.17
  6. Step 6: Final answer
    x = 919,699.09

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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.