Home / 421,837.48-582,153.06-230,867.56

Finding the Fourth Proportional to 421,837.48, 582,153.06 and 230,867.56

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Solution

The fourth proportional to 421,837.48, 582,153.06 and 230,867.56 is: 318,606.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    421,837.48 : 582,153.06 = 230,867.56 : x
  2. Step 2: Convert to fraction form
    421,837.48/582,153.06 = 230,867.56/x
  3. Step 3: Cross multiply
    421,837.48x = 582,153.06 × 230,867.56
  4. Step 4: Simplify right side
    421,837.48x = 134,400,256,508.73
  5. Step 5: Solve for x
    x = 134,400,256,508.73/421,837.48
  6. Step 6: Final answer
    x = 318,606.72

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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.