Home / 1,639,678.41-2,262,759.64-914,507.48

Finding the Fourth Proportional to 1,639,678.41, 2,262,759.64 and 914,507.48

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Solution

The fourth proportional to 1,639,678.41, 2,262,759.64 and 914,507.48 is: 1,262,022.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,639,678.41 : 2,262,759.64 = 914,507.48 : x
  2. Step 2: Convert to fraction form
    1,639,678.41/2,262,759.64 = 914,507.48/x
  3. Step 3: Cross multiply
    1,639,678.41x = 2,262,759.64 × 914,507.48
  4. Step 4: Simplify right side
    1,639,678.41x = 2,069,310,619,592.74
  5. Step 5: Solve for x
    x = 2,069,310,619,592.74/1,639,678.41
  6. Step 6: Final answer
    x = 1,262,022.24

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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.