Home / 1,172,113.45-1,617,767.83-713,375.78

Finding the Fourth Proportional to 1,172,113.45, 1,617,767.83 and 713,375.78

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Solution

The fourth proportional to 1,172,113.45, 1,617,767.83 and 713,375.78 is: 984,611.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,172,113.45 : 1,617,767.83 = 713,375.78 : x
  2. Step 2: Convert to fraction form
    1,172,113.45/1,617,767.83 = 713,375.78/x
  3. Step 3: Cross multiply
    1,172,113.45x = 1,617,767.83 × 713,375.78
  4. Step 4: Simplify right side
    1,172,113.45x = 1,154,076,380,388.04
  5. Step 5: Solve for x
    x = 1,154,076,380,388.04/1,172,113.45
  6. Step 6: Final answer
    x = 984,611.50

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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.