Home / 1,222,914.24-1,687,565.21-679,084.56

Finding the Fourth Proportional to 1,222,914.24, 1,687,565.21 and 679,084.56

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Solution

The fourth proportional to 1,222,914.24, 1,687,565.21 and 679,084.56 is: 937,105.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,222,914.24 : 1,687,565.21 = 679,084.56 : x
  2. Step 2: Convert to fraction form
    1,222,914.24/1,687,565.21 = 679,084.56/x
  3. Step 3: Cross multiply
    1,222,914.24x = 1,687,565.21 × 679,084.56
  4. Step 4: Simplify right side
    1,222,914.24x = 1,145,999,474,708.73
  5. Step 5: Solve for x
    x = 1,145,999,474,708.73/1,222,914.24
  6. Step 6: Final answer
    x = 937,105.35

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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.