Home / 678,944.58-1,018,607.52-199,183.74

Finding the Fourth Proportional to 678,944.58, 1,018,607.52 and 199,183.74

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Solution

The fourth proportional to 678,944.58, 1,018,607.52 and 199,183.74 is: 298,831.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    678,944.58 : 1,018,607.52 = 199,183.74 : x
  2. Step 2: Convert to fraction form
    678,944.58/1,018,607.52 = 199,183.74/x
  3. Step 3: Cross multiply
    678,944.58x = 1,018,607.52 × 199,183.74
  4. Step 4: Simplify right side
    678,944.58x = 202,890,055,425.73
  5. Step 5: Solve for x
    x = 202,890,055,425.73/678,944.58
  6. Step 6: Final answer
    x = 298,831.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.