Home / 809,280.16-1,116,806.69-446,704.12

Finding the Fourth Proportional to 809,280.16, 1,116,806.69 and 446,704.12

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Solution

The fourth proportional to 809,280.16, 1,116,806.69 and 446,704.12 is: 616,451.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,280.16 : 1,116,806.69 = 446,704.12 : x
  2. Step 2: Convert to fraction form
    809,280.16/1,116,806.69 = 446,704.12/x
  3. Step 3: Cross multiply
    809,280.16x = 1,116,806.69 × 446,704.12
  4. Step 4: Simplify right side
    809,280.16x = 498,882,149,666.56
  5. Step 5: Solve for x
    x = 498,882,149,666.56/809,280.16
  6. Step 6: Final answer
    x = 616,451.72

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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.