Home / 823,213.18-1,234,819.73-542,664.82

Finding the Fourth Proportional to 823,213.18, 1,234,819.73 and 542,664.82

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Solution

The fourth proportional to 823,213.18, 1,234,819.73 and 542,664.82 is: 813,997.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,213.18 : 1,234,819.73 = 542,664.82 : x
  2. Step 2: Convert to fraction form
    823,213.18/1,234,819.73 = 542,664.82/x
  3. Step 3: Cross multiply
    823,213.18x = 1,234,819.73 × 542,664.82
  4. Step 4: Simplify right side
    823,213.18x = 670,093,224,782.51
  5. Step 5: Solve for x
    x = 670,093,224,782.51/823,213.18
  6. Step 6: Final answer
    x = 813,997.20

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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.