Home / 1,436,505.98-1,982,327.22-783,118.50

Finding the Fourth Proportional to 1,436,505.98, 1,982,327.22 and 783,118.50

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Solution

The fourth proportional to 1,436,505.98, 1,982,327.22 and 783,118.50 is: 1,080,675.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,436,505.98 : 1,982,327.22 = 783,118.50 : x
  2. Step 2: Convert to fraction form
    1,436,505.98/1,982,327.22 = 783,118.50/x
  3. Step 3: Cross multiply
    1,436,505.98x = 1,982,327.22 × 783,118.50
  4. Step 4: Simplify right side
    1,436,505.98x = 1,552,397,119,035.57
  5. Step 5: Solve for x
    x = 1,552,397,119,035.57/1,436,505.98
  6. Step 6: Final answer
    x = 1,080,675.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.