Home / 1,639,392.15-2,262,356.77-914,240.70

Finding the Fourth Proportional to 1,639,392.15, 2,262,356.77 and 914,240.70

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Solution

The fourth proportional to 1,639,392.15, 2,262,356.77 and 914,240.70 is: 1,261,649.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,639,392.15 : 2,262,356.77 = 914,240.70 : x
  2. Step 2: Convert to fraction form
    1,639,392.15/2,262,356.77 = 914,240.70/x
  3. Step 3: Cross multiply
    1,639,392.15x = 2,262,356.77 × 914,240.70
  4. Step 4: Simplify right side
    1,639,392.15x = 2,068,338,637,054.54
  5. Step 5: Solve for x
    x = 2,068,338,637,054.54/1,639,392.15
  6. Step 6: Final answer
    x = 1,261,649.71

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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.