Home / 809,224.20-1,116,729.36-451,528.20

Finding the Fourth Proportional to 809,224.20, 1,116,729.36 and 451,528.20

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Solution

The fourth proportional to 809,224.20, 1,116,729.36 and 451,528.20 is: 623,108.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,224.20 : 1,116,729.36 = 451,528.20 : x
  2. Step 2: Convert to fraction form
    809,224.20/1,116,729.36 = 451,528.20/x
  3. Step 3: Cross multiply
    809,224.20x = 1,116,729.36 × 451,528.20
  4. Step 4: Simplify right side
    809,224.20x = 504,234,797,807.95
  5. Step 5: Solve for x
    x = 504,234,797,807.95/809,224.20
  6. Step 6: Final answer
    x = 623,108.90

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Double scale
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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.