Home / 1,217,391.17-1,680,537.92-727,533.54

Finding the Fourth Proportional to 1,217,391.17, 1,680,537.92 and 727,533.54

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Solution

The fourth proportional to 1,217,391.17, 1,680,537.92 and 727,533.54 is: 1,004,317.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,217,391.17 : 1,680,537.92 = 727,533.54 : x
  2. Step 2: Convert to fraction form
    1,217,391.17/1,680,537.92 = 727,533.54/x
  3. Step 3: Cross multiply
    1,217,391.17x = 1,680,537.92 × 727,533.54
  4. Step 4: Simplify right side
    1,217,391.17x = 1,222,647,698,404.17
  5. Step 5: Solve for x
    x = 1,222,647,698,404.17/1,217,391.17
  6. Step 6: Final answer
    x = 1,004,317.87

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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.