Home / 1,224,520.14-1,689,843.94-680,706.38

Finding the Fourth Proportional to 1,224,520.14, 1,689,843.94 and 680,706.38

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Solution

The fourth proportional to 1,224,520.14, 1,689,843.94 and 680,706.38 is: 939,378.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,224,520.14 : 1,689,843.94 = 680,706.38 : x
  2. Step 2: Convert to fraction form
    1,224,520.14/1,689,843.94 = 680,706.38/x
  3. Step 3: Cross multiply
    1,224,520.14x = 1,689,843.94 × 680,706.38
  4. Step 4: Simplify right side
    1,224,520.14x = 1,150,287,551,162.34
  5. Step 5: Solve for x
    x = 1,150,287,551,162.34/1,224,520.14
  6. Step 6: Final answer
    x = 939,378.22

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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.