Home / 1,639,395.76-2,262,361.76-914,244.32

Finding the Fourth Proportional to 1,639,395.76, 2,262,361.76 and 914,244.32

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Solution

The fourth proportional to 1,639,395.76, 2,262,361.76 and 914,244.32 is: 1,261,654.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,639,395.76 : 2,262,361.76 = 914,244.32 : x
  2. Step 2: Convert to fraction form
    1,639,395.76/2,262,361.76 = 914,244.32/x
  3. Step 3: Cross multiply
    1,639,395.76x = 2,262,361.76 × 914,244.32
  4. Step 4: Simplify right side
    1,639,395.76x = 2,068,351,388,865.20
  5. Step 5: Solve for x
    x = 2,068,351,388,865.20/1,639,395.76
  6. Step 6: Final answer
    x = 1,261,654.71

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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.