Home / 414,725.32-622,087.40-130,440.83

Finding the Fourth Proportional to 414,725.32, 622,087.40 and 130,440.83

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Solution

The fourth proportional to 414,725.32, 622,087.40 and 130,440.83 is: 195,661.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,725.32 : 622,087.40 = 130,440.83 : x
  2. Step 2: Convert to fraction form
    414,725.32/622,087.40 = 130,440.83/x
  3. Step 3: Cross multiply
    414,725.32x = 622,087.40 × 130,440.83
  4. Step 4: Simplify right side
    414,725.32x = 81,145,596,788.54
  5. Step 5: Solve for x
    x = 81,145,596,788.54/414,725.32
  6. Step 6: Final answer
    x = 195,661.06

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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.