Home / 1,086,664.34-1,629,331.90-518,219.30

Finding the Fourth Proportional to 1,086,664.34, 1,629,331.90 and 518,219.30

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Solution

The fourth proportional to 1,086,664.34, 1,629,331.90 and 518,219.30 is: 777,012.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,086,664.34 : 1,629,331.90 = 518,219.30 : x
  2. Step 2: Convert to fraction form
    1,086,664.34/1,629,331.90 = 518,219.30/x
  3. Step 3: Cross multiply
    1,086,664.34x = 1,629,331.90 × 518,219.30
  4. Step 4: Simplify right side
    1,086,664.34x = 844,351,233,353.46
  5. Step 5: Solve for x
    x = 844,351,233,353.46/1,086,664.34
  6. Step 6: Final answer
    x = 777,012.00

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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.