Home / 1,943,999.60-2,915,999.40-681,954.80

Finding the Fourth Proportional to 1,943,999.60, 2,915,999.40 and 681,954.80

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Solution

The fourth proportional to 1,943,999.60, 2,915,999.40 and 681,954.80 is: 1,022,932.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,943,999.60 : 2,915,999.40 = 681,954.80 : x
  2. Step 2: Convert to fraction form
    1,943,999.60/2,915,999.40 = 681,954.80/x
  3. Step 3: Cross multiply
    1,943,999.60x = 2,915,999.40 × 681,954.80
  4. Step 4: Simplify right side
    1,943,999.60x = 1,988,579,787,627.12
  5. Step 5: Solve for x
    x = 1,988,579,787,627.12/1,943,999.60
  6. Step 6: Final answer
    x = 1,022,932.20

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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.