Home / 421,823.60-582,124.92-230,836.40

Finding the Fourth Proportional to 421,823.60, 582,124.92 and 230,836.40

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Solution

The fourth proportional to 421,823.60, 582,124.92 and 230,836.40 is: 318,558.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    421,823.60 : 582,124.92 = 230,836.40 : x
  2. Step 2: Convert to fraction form
    421,823.60/582,124.92 = 230,836.40/x
  3. Step 3: Cross multiply
    421,823.60x = 582,124.92 × 230,836.40
  4. Step 4: Simplify right side
    421,823.60x = 134,375,620,883.09
  5. Step 5: Solve for x
    x = 134,375,620,883.09/421,823.60
  6. Step 6: Final answer
    x = 318,558.80

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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.