Home / 1,415,168.82-1,952,956.26-770,601.60

Finding the Fourth Proportional to 1,415,168.82, 1,952,956.26 and 770,601.60

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Solution

The fourth proportional to 1,415,168.82, 1,952,956.26 and 770,601.60 is: 1,063,442.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,415,168.82 : 1,952,956.26 = 770,601.60 : x
  2. Step 2: Convert to fraction form
    1,415,168.82/1,952,956.26 = 770,601.60/x
  3. Step 3: Cross multiply
    1,415,168.82x = 1,952,956.26 × 770,601.60
  4. Step 4: Simplify right side
    1,415,168.82x = 1,504,951,218,686.02
  5. Step 5: Solve for x
    x = 1,504,951,218,686.02/1,415,168.82
  6. Step 6: Final answer
    x = 1,063,442.89

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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.