Home / 1,436,591.89-1,982,437.09-783,203.77

Finding the Fourth Proportional to 1,436,591.89, 1,982,437.09 and 783,203.77

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Solution

The fourth proportional to 1,436,591.89, 1,982,437.09 and 783,203.77 is: 1,080,788.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,436,591.89 : 1,982,437.09 = 783,203.77 : x
  2. Step 2: Convert to fraction form
    1,436,591.89/1,982,437.09 = 783,203.77/x
  3. Step 3: Cross multiply
    1,436,591.89x = 1,982,437.09 × 783,203.77
  4. Step 4: Simplify right side
    1,436,591.89x = 1,552,652,202,675.83
  5. Step 5: Solve for x
    x = 1,552,652,202,675.83/1,436,591.89
  6. Step 6: Final answer
    x = 1,080,788.65

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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.