Home / 1,022,039.46-1,531,896.66-621,798

Finding the Fourth Proportional to 1,022,039.46, 1,531,896.66 and 621,798

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Solution

The fourth proportional to 1,022,039.46, 1,531,896.66 and 621,798 is: 931,989.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,022,039.46 : 1,531,896.66 = 621,798 : x
  2. Step 2: Convert to fraction form
    1,022,039.46/1,531,896.66 = 621,798/x
  3. Step 3: Cross multiply
    1,022,039.46x = 1,531,896.66 × 621,798
  4. Step 4: Simplify right side
    1,022,039.46x = 952,530,279,394.68
  5. Step 5: Solve for x
    x = 952,530,279,394.68/1,022,039.46
  6. Step 6: Final answer
    x = 931,989.73

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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.