Home / 1,436,967.11-1,982,999.98-783,591.55

Finding the Fourth Proportional to 1,436,967.11, 1,982,999.98 and 783,591.55

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Solution

The fourth proportional to 1,436,967.11, 1,982,999.98 and 783,591.55 is: 1,081,348.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,436,967.11 : 1,982,999.98 = 783,591.55 : x
  2. Step 2: Convert to fraction form
    1,436,967.11/1,982,999.98 = 783,591.55/x
  3. Step 3: Cross multiply
    1,436,967.11x = 1,982,999.98 × 783,591.55
  4. Step 4: Simplify right side
    1,436,967.11x = 1,553,862,027,978.17
  5. Step 5: Solve for x
    x = 1,553,862,027,978.17/1,436,967.11
  6. Step 6: Final answer
    x = 1,081,348.36

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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.