Home / 1,082,811.20-1,624,216.80-451,745.60

Finding the Fourth Proportional to 1,082,811.20, 1,624,216.80 and 451,745.60

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Solution

The fourth proportional to 1,082,811.20, 1,624,216.80 and 451,745.60 is: 677,618.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,082,811.20 : 1,624,216.80 = 451,745.60 : x
  2. Step 2: Convert to fraction form
    1,082,811.20/1,624,216.80 = 451,745.60/x
  3. Step 3: Cross multiply
    1,082,811.20x = 1,624,216.80 × 451,745.60
  4. Step 4: Simplify right side
    1,082,811.20x = 733,732,792,846.08
  5. Step 5: Solve for x
    x = 733,732,792,846.08/1,082,811.20
  6. Step 6: Final answer
    x = 677,618.40

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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.