Home / 809,221.32-1,116,725.41-451,525.32

Finding the Fourth Proportional to 809,221.32, 1,116,725.41 and 451,525.32

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Solution

The fourth proportional to 809,221.32, 1,116,725.41 and 451,525.32 is: 623,104.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,221.32 : 1,116,725.41 = 451,525.32 : x
  2. Step 2: Convert to fraction form
    809,221.32/1,116,725.41 = 451,525.32/x
  3. Step 3: Cross multiply
    809,221.32x = 1,116,725.41 × 451,525.32
  4. Step 4: Simplify right side
    809,221.32x = 504,229,798,102.38
  5. Step 5: Solve for x
    x = 504,229,798,102.38/809,221.32
  6. Step 6: Final answer
    x = 623,104.94

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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.