Home / 809,224.25-1,116,729.47-451,528.25

Finding the Fourth Proportional to 809,224.25, 1,116,729.47 and 451,528.25

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Solution

The fourth proportional to 809,224.25, 1,116,729.47 and 451,528.25 is: 623,108.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,224.25 : 1,116,729.47 = 451,528.25 : x
  2. Step 2: Convert to fraction form
    809,224.25/1,116,729.47 = 451,528.25/x
  3. Step 3: Cross multiply
    809,224.25x = 1,116,729.47 × 451,528.25
  4. Step 4: Simplify right side
    809,224.25x = 504,234,901,054.89
  5. Step 5: Solve for x
    x = 504,234,901,054.89/809,224.25
  6. Step 6: Final answer
    x = 623,108.99

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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.