Home / 892,507.96-1,231,648.38-505,313.39

Finding the Fourth Proportional to 892,507.96, 1,231,648.38 and 505,313.39

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Solution

The fourth proportional to 892,507.96, 1,231,648.38 and 505,313.39 is: 697,325.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    892,507.96 : 1,231,648.38 = 505,313.39 : x
  2. Step 2: Convert to fraction form
    892,507.96/1,231,648.38 = 505,313.39/x
  3. Step 3: Cross multiply
    892,507.96x = 1,231,648.38 × 505,313.39
  4. Step 4: Simplify right side
    892,507.96x = 622,368,415,659.24
  5. Step 5: Solve for x
    x = 622,368,415,659.24/892,507.96
  6. Step 6: Final answer
    x = 697,325.34

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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.