Home / 863,391.11-1,191,516.62-481,417.88

Finding the Fourth Proportional to 863,391.11, 1,191,516.62 and 481,417.88

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Solution

The fourth proportional to 863,391.11, 1,191,516.62 and 481,417.88 is: 664,377.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,391.11 : 1,191,516.62 = 481,417.88 : x
  2. Step 2: Convert to fraction form
    863,391.11/1,191,516.62 = 481,417.88/x
  3. Step 3: Cross multiply
    863,391.11x = 1,191,516.62 × 481,417.88
  4. Step 4: Simplify right side
    863,391.11x = 573,617,396,820.49
  5. Step 5: Solve for x
    x = 573,617,396,820.49/863,391.11
  6. Step 6: Final answer
    x = 664,377.24

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Double scale
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1.5x scale

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.