Home / 414,724.32-622,085.90-130,439.83

Finding the Fourth Proportional to 414,724.32, 622,085.90 and 130,439.83

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Solution

The fourth proportional to 414,724.32, 622,085.90 and 130,439.83 is: 195,659.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,724.32 : 622,085.90 = 130,439.83 : x
  2. Step 2: Convert to fraction form
    414,724.32/622,085.90 = 130,439.83/x
  3. Step 3: Cross multiply
    414,724.32x = 622,085.90 × 130,439.83
  4. Step 4: Simplify right side
    414,724.32x = 81,144,779,041.40
  5. Step 5: Solve for x
    x = 81,144,779,041.40/414,724.32
  6. Step 6: Final answer
    x = 195,659.56

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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.