Home / 1,217,134.24-1,679,516.04-673,183.60

Finding the Fourth Proportional to 1,217,134.24, 1,679,516.04 and 673,183.60

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Solution

The fourth proportional to 1,217,134.24, 1,679,516.04 and 673,183.60 is: 928,921.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,217,134.24 : 1,679,516.04 = 673,183.60 : x
  2. Step 2: Convert to fraction form
    1,217,134.24/1,679,516.04 = 673,183.60/x
  3. Step 3: Cross multiply
    1,217,134.24x = 1,679,516.04 × 673,183.60
  4. Step 4: Simplify right side
    1,217,134.24x = 1,130,622,654,064.94
  5. Step 5: Solve for x
    x = 1,130,622,654,064.94/1,217,134.24
  6. Step 6: Final answer
    x = 928,921.90

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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.