Home / 1,379,236.74-2,068,834.31-620,542.41

Finding the Fourth Proportional to 1,379,236.74, 2,068,834.31 and 620,542.41

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Solution

The fourth proportional to 1,379,236.74, 2,068,834.31 and 620,542.41 is: 930,804.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,379,236.74 : 2,068,834.31 = 620,542.41 : x
  2. Step 2: Convert to fraction form
    1,379,236.74/2,068,834.31 = 620,542.41/x
  3. Step 3: Cross multiply
    1,379,236.74x = 2,068,834.31 × 620,542.41
  4. Step 4: Simplify right side
    1,379,236.74x = 1,283,799,428,618.09
  5. Step 5: Solve for x
    x = 1,283,799,428,618.09/1,379,236.74
  6. Step 6: Final answer
    x = 930,804.26

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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.