Home / 1,220,639.56-1,684,918.53-833,177.66

Finding the Fourth Proportional to 1,220,639.56, 1,684,918.53 and 833,177.66

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Solution

The fourth proportional to 1,220,639.56, 1,684,918.53 and 833,177.66 is: 1,150,082.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,220,639.56 : 1,684,918.53 = 833,177.66 : x
  2. Step 2: Convert to fraction form
    1,220,639.56/1,684,918.53 = 833,177.66/x
  3. Step 3: Cross multiply
    1,220,639.56x = 1,684,918.53 × 833,177.66
  4. Step 4: Simplify right side
    1,220,639.56x = 1,403,836,469,691.45
  5. Step 5: Solve for x
    x = 1,403,836,469,691.45/1,220,639.56
  6. Step 6: Final answer
    x = 1,150,082.73

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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.