Home / 1,639,578.18-2,262,621.90-914,472.88

Finding the Fourth Proportional to 1,639,578.18, 2,262,621.90 and 914,472.88

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Solution

The fourth proportional to 1,639,578.18, 2,262,621.90 and 914,472.88 is: 1,261,974.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,639,578.18 : 2,262,621.90 = 914,472.88 : x
  2. Step 2: Convert to fraction form
    1,639,578.18/2,262,621.90 = 914,472.88/x
  3. Step 3: Cross multiply
    1,639,578.18x = 2,262,621.90 × 914,472.88
  4. Step 4: Simplify right side
    1,639,578.18x = 2,069,106,365,244.07
  5. Step 5: Solve for x
    x = 2,069,106,365,244.07/1,639,578.18
  6. Step 6: Final answer
    x = 1,261,974.81

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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.