Home / 1,639,400.54-2,262,368.34-914,249.07

Finding the Fourth Proportional to 1,639,400.54, 2,262,368.34 and 914,249.07

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Solution

The fourth proportional to 1,639,400.54, 2,262,368.34 and 914,249.07 is: 1,261,661.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,639,400.54 : 2,262,368.34 = 914,249.07 : x
  2. Step 2: Convert to fraction form
    1,639,400.54/2,262,368.34 = 914,249.07/x
  3. Step 3: Cross multiply
    1,639,400.54x = 2,262,368.34 × 914,249.07
  4. Step 4: Simplify right side
    1,639,400.54x = 2,068,368,150,842.44
  5. Step 5: Solve for x
    x = 2,068,368,150,842.44/1,639,400.54
  6. Step 6: Final answer
    x = 1,261,661.26

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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.