Home / 823,057.70-1,135,863.73-460,459.92

Finding the Fourth Proportional to 823,057.70, 1,135,863.73 and 460,459.92

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Solution

The fourth proportional to 823,057.70, 1,135,863.73 and 460,459.92 is: 635,459.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,057.70 : 1,135,863.73 = 460,459.92 : x
  2. Step 2: Convert to fraction form
    823,057.70/1,135,863.73 = 460,459.92/x
  3. Step 3: Cross multiply
    823,057.70x = 1,135,863.73 × 460,459.92
  4. Step 4: Simplify right side
    823,057.70x = 523,019,727,081.77
  5. Step 5: Solve for x
    x = 523,019,727,081.77/823,057.70
  6. Step 6: Final answer
    x = 635,459.37

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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.