Home / 1,093,072.17-1,639,818.41-419,100.91

Finding the Fourth Proportional to 1,093,072.17, 1,639,818.41 and 419,100.91

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Solution

The fourth proportional to 1,093,072.17, 1,639,818.41 and 419,100.91 is: 628,731.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,093,072.17 : 1,639,818.41 = 419,100.91 : x
  2. Step 2: Convert to fraction form
    1,093,072.17/1,639,818.41 = 419,100.91/x
  3. Step 3: Cross multiply
    1,093,072.17x = 1,639,818.41 × 419,100.91
  4. Step 4: Simplify right side
    1,093,072.17x = 687,249,383,510.80
  5. Step 5: Solve for x
    x = 687,249,383,510.80/1,093,072.17
  6. Step 6: Final answer
    x = 628,731.94

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.