Home / 1,227,512.35-1,693,380.31-953,706.54

Finding the Fourth Proportional to 1,227,512.35, 1,693,380.31 and 953,706.54

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Solution

The fourth proportional to 1,227,512.35, 1,693,380.31 and 953,706.54 is: 1,315,659.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,227,512.35 : 1,693,380.31 = 953,706.54 : x
  2. Step 2: Convert to fraction form
    1,227,512.35/1,693,380.31 = 953,706.54/x
  3. Step 3: Cross multiply
    1,227,512.35x = 1,693,380.31 × 953,706.54
  4. Step 4: Simplify right side
    1,227,512.35x = 1,614,987,876,354.23
  5. Step 5: Solve for x
    x = 1,614,987,876,354.23/1,227,512.35
  6. Step 6: Final answer
    x = 1,315,659.17

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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.