Home / 1,222,914.70-1,687,653.93-679,073.41

Finding the Fourth Proportional to 1,222,914.70, 1,687,653.93 and 679,073.41

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Solution

The fourth proportional to 1,222,914.70, 1,687,653.93 and 679,073.41 is: 937,138.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,222,914.70 : 1,687,653.93 = 679,073.41 : x
  2. Step 2: Convert to fraction form
    1,222,914.70/1,687,653.93 = 679,073.41/x
  3. Step 3: Cross multiply
    1,222,914.70x = 1,687,653.93 × 679,073.41
  4. Step 4: Simplify right side
    1,222,914.70x = 1,146,040,909,145.00
  5. Step 5: Solve for x
    x = 1,146,040,909,145.00/1,222,914.70
  6. Step 6: Final answer
    x = 937,138.88

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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.