Home / 1,217,694.53-1,680,656.14-734,338.37

Finding the Fourth Proportional to 1,217,694.53, 1,680,656.14 and 734,338.37

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Solution

The fourth proportional to 1,217,694.53, 1,680,656.14 and 734,338.37 is: 1,013,530.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,217,694.53 : 1,680,656.14 = 734,338.37 : x
  2. Step 2: Convert to fraction form
    1,217,694.53/1,680,656.14 = 734,338.37/x
  3. Step 3: Cross multiply
    1,217,694.53x = 1,680,656.14 × 734,338.37
  4. Step 4: Simplify right side
    1,217,694.53x = 1,234,170,295,497.66
  5. Step 5: Solve for x
    x = 1,234,170,295,497.66/1,217,694.53
  6. Step 6: Final answer
    x = 1,013,530.29

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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.