Home / 1,215,960.13-1,823,936.55-854,643.43

Finding the Fourth Proportional to 1,215,960.13, 1,823,936.55 and 854,643.43

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Solution

The fourth proportional to 1,215,960.13, 1,823,936.55 and 854,643.43 is: 1,281,962.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,215,960.13 : 1,823,936.55 = 854,643.43 : x
  2. Step 2: Convert to fraction form
    1,215,960.13/1,823,936.55 = 854,643.43/x
  3. Step 3: Cross multiply
    1,215,960.13x = 1,823,936.55 × 854,643.43
  4. Step 4: Simplify right side
    1,215,960.13x = 1,558,815,389,194.37
  5. Step 5: Solve for x
    x = 1,558,815,389,194.37/1,215,960.13
  6. Step 6: Final answer
    x = 1,281,962.58

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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.