Home / 1,194,171.45-1,791,382.94-688,721.13

Finding the Fourth Proportional to 1,194,171.45, 1,791,382.94 and 688,721.13

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Solution

The fourth proportional to 1,194,171.45, 1,791,382.94 and 688,721.13 is: 1,033,154.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,194,171.45 : 1,791,382.94 = 688,721.13 : x
  2. Step 2: Convert to fraction form
    1,194,171.45/1,791,382.94 = 688,721.13/x
  3. Step 3: Cross multiply
    1,194,171.45x = 1,791,382.94 × 688,721.13
  4. Step 4: Simplify right side
    1,194,171.45x = 1,233,763,279,255.92
  5. Step 5: Solve for x
    x = 1,233,763,279,255.92/1,194,171.45
  6. Step 6: Final answer
    x = 1,033,154.23

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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.