Home / 421,924.06-582,255.91-230,949.55

Finding the Fourth Proportional to 421,924.06, 582,255.91 and 230,949.55

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Solution

The fourth proportional to 421,924.06, 582,255.91 and 230,949.55 is: 318,710.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    421,924.06 : 582,255.91 = 230,949.55 : x
  2. Step 2: Convert to fraction form
    421,924.06/582,255.91 = 230,949.55/x
  3. Step 3: Cross multiply
    421,924.06x = 582,255.91 × 230,949.55
  4. Step 4: Simplify right side
    421,924.06x = 134,471,740,399.34
  5. Step 5: Solve for x
    x = 134,471,740,399.34/421,924.06
  6. Step 6: Final answer
    x = 318,710.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.