Home / 1,203,196.68-1,661,166.43-774,222.30

Finding the Fourth Proportional to 1,203,196.68, 1,661,166.43 and 774,222.30

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Solution

The fourth proportional to 1,203,196.68, 1,661,166.43 and 774,222.30 is: 1,068,912.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,203,196.68 : 1,661,166.43 = 774,222.30 : x
  2. Step 2: Convert to fraction form
    1,203,196.68/1,661,166.43 = 774,222.30/x
  3. Step 3: Cross multiply
    1,203,196.68x = 1,661,166.43 × 774,222.30
  4. Step 4: Simplify right side
    1,203,196.68x = 1,286,112,092,181.83
  5. Step 5: Solve for x
    x = 1,286,112,092,181.83/1,203,196.68
  6. Step 6: Final answer
    x = 1,068,912.60

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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.