Home / 1,171,794.70-1,617,089.43-688,380.22

Finding the Fourth Proportional to 1,171,794.70, 1,617,089.43 and 688,380.22

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Solution

The fourth proportional to 1,171,794.70, 1,617,089.43 and 688,380.22 is: 949,972.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,171,794.70 : 1,617,089.43 = 688,380.22 : x
  2. Step 2: Convert to fraction form
    1,171,794.70/1,617,089.43 = 688,380.22/x
  3. Step 3: Cross multiply
    1,171,794.70x = 1,617,089.43 × 688,380.22
  4. Step 4: Simplify right side
    1,171,794.70x = 1,113,172,377,583.07
  5. Step 5: Solve for x
    x = 1,113,172,377,583.07/1,171,794.70
  6. Step 6: Final answer
    x = 949,972.19

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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.