Home / 809,200.80-1,116,617.40-446,644.80

Finding the Fourth Proportional to 809,200.80, 1,116,617.40 and 446,644.80

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Solution

The fourth proportional to 809,200.80, 1,116,617.40 and 446,644.80 is: 616,325.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,200.80 : 1,116,617.40 = 446,644.80 : x
  2. Step 2: Convert to fraction form
    809,200.80/1,116,617.40 = 446,644.80/x
  3. Step 3: Cross multiply
    809,200.80x = 1,116,617.40 × 446,644.80
  4. Step 4: Simplify right side
    809,200.80x = 498,731,355,299.52
  5. Step 5: Solve for x
    x = 498,731,355,299.52/809,200.80
  6. Step 6: Final answer
    x = 616,325.83

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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.