Home / 1,639,418.02-2,262,392.40-914,266.51

Finding the Fourth Proportional to 1,639,418.02, 2,262,392.40 and 914,266.51

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Solution

The fourth proportional to 1,639,418.02, 2,262,392.40 and 914,266.51 is: 1,261,685.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,639,418.02 : 2,262,392.40 = 914,266.51 : x
  2. Step 2: Convert to fraction form
    1,639,418.02/2,262,392.40 = 914,266.51/x
  3. Step 3: Cross multiply
    1,639,418.02x = 2,262,392.40 × 914,266.51
  4. Step 4: Simplify right side
    1,639,418.02x = 2,068,429,601,571.04
  5. Step 5: Solve for x
    x = 2,068,429,601,571.04/1,639,418.02
  6. Step 6: Final answer
    x = 1,261,685.29

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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.