Home / 414,986.42-622,085.94-204,378.32

Finding the Fourth Proportional to 414,986.42, 622,085.94 and 204,378.32

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Solution

The fourth proportional to 414,986.42, 622,085.94 and 204,378.32 is: 306,373.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,986.42 : 622,085.94 = 204,378.32 : x
  2. Step 2: Convert to fraction form
    414,986.42/622,085.94 = 204,378.32/x
  3. Step 3: Cross multiply
    414,986.42x = 622,085.94 × 204,378.32
  4. Step 4: Simplify right side
    414,986.42x = 127,140,879,312.82
  5. Step 5: Solve for x
    x = 127,140,879,312.82/414,986.42
  6. Step 6: Final answer
    x = 306,373.59

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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.