Home / 976,612.91-1,467,164.48-689,086.33

Finding the Fourth Proportional to 976,612.91, 1,467,164.48 and 689,086.33

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Solution

The fourth proportional to 976,612.91, 1,467,164.48 and 689,086.33 is: 1,035,213.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    976,612.91 : 1,467,164.48 = 689,086.33 : x
  2. Step 2: Convert to fraction form
    976,612.91/1,467,164.48 = 689,086.33/x
  3. Step 3: Cross multiply
    976,612.91x = 1,467,164.48 × 689,086.33
  4. Step 4: Simplify right side
    976,612.91x = 1,011,002,987,029.56
  5. Step 5: Solve for x
    x = 1,011,002,987,029.56/976,612.91
  6. Step 6: Final answer
    x = 1,035,213.62

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.