Home / 859,096.14-1,288,660.59-260,054.97

Finding the Fourth Proportional to 859,096.14, 1,288,660.59 and 260,054.97

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Solution

The fourth proportional to 859,096.14, 1,288,660.59 and 260,054.97 is: 390,087.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,096.14 : 1,288,660.59 = 260,054.97 : x
  2. Step 2: Convert to fraction form
    859,096.14/1,288,660.59 = 260,054.97/x
  3. Step 3: Cross multiply
    859,096.14x = 1,288,660.59 × 260,054.97
  4. Step 4: Simplify right side
    859,096.14x = 335,122,591,072.63
  5. Step 5: Solve for x
    x = 335,122,591,072.63/859,096.14
  6. Step 6: Final answer
    x = 390,087.41

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1.5x scale

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.