Home / 421,811.53-582,099.96-230,824.93

Finding the Fourth Proportional to 421,811.53, 582,099.96 and 230,824.93

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Solution

The fourth proportional to 421,811.53, 582,099.96 and 230,824.93 is: 318,538.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    421,811.53 : 582,099.96 = 230,824.93 : x
  2. Step 2: Convert to fraction form
    421,811.53/582,099.96 = 230,824.93/x
  3. Step 3: Cross multiply
    421,811.53x = 582,099.96 × 230,824.93
  4. Step 4: Simplify right side
    421,811.53x = 134,363,182,520.00
  5. Step 5: Solve for x
    x = 134,363,182,520.00/421,811.53
  6. Step 6: Final answer
    x = 318,538.43

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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.