Home / 496,025.76-684,845.20-381,099.68

Finding the Fourth Proportional to 496,025.76, 684,845.20 and 381,099.68

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Solution

The fourth proportional to 496,025.76, 684,845.20 and 381,099.68 is: 526,170.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,025.76 : 684,845.20 = 381,099.68 : x
  2. Step 2: Convert to fraction form
    496,025.76/684,845.20 = 381,099.68/x
  3. Step 3: Cross multiply
    496,025.76x = 684,845.20 × 381,099.68
  4. Step 4: Simplify right side
    496,025.76x = 260,994,286,569.54
  5. Step 5: Solve for x
    x = 260,994,286,569.54/496,025.76
  6. Step 6: Final answer
    x = 526,170.83

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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.