Home / 414,921.70-622,382.55-204,532.30

Finding the Fourth Proportional to 414,921.70, 622,382.55 and 204,532.30

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Solution

The fourth proportional to 414,921.70, 622,382.55 and 204,532.30 is: 306,798.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,921.70 : 622,382.55 = 204,532.30 : x
  2. Step 2: Convert to fraction form
    414,921.70/622,382.55 = 204,532.30/x
  3. Step 3: Cross multiply
    414,921.70x = 622,382.55 × 204,532.30
  4. Step 4: Simplify right side
    414,921.70x = 127,297,334,431.37
  5. Step 5: Solve for x
    x = 127,297,334,431.37/414,921.70
  6. Step 6: Final answer
    x = 306,798.45

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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.