Home / 421,923.56-582,255.22-230,949.05

Finding the Fourth Proportional to 421,923.56, 582,255.22 and 230,949.05

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Solution

The fourth proportional to 421,923.56, 582,255.22 and 230,949.05 is: 318,710.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    421,923.56 : 582,255.22 = 230,949.05 : x
  2. Step 2: Convert to fraction form
    421,923.56/582,255.22 = 230,949.05/x
  3. Step 3: Cross multiply
    421,923.56x = 582,255.22 × 230,949.05
  4. Step 4: Simplify right side
    421,923.56x = 134,471,289,339.17
  5. Step 5: Solve for x
    x = 134,471,289,339.17/421,923.56
  6. Step 6: Final answer
    x = 318,710.07

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1.5x scale

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.