Home / 863,667.92-1,191,863.32-481,719.32

Finding the Fourth Proportional to 863,667.92, 1,191,863.32 and 481,719.32

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Solution

The fourth proportional to 863,667.92, 1,191,863.32 and 481,719.32 is: 664,773.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,667.92 : 1,191,863.32 = 481,719.32 : x
  2. Step 2: Convert to fraction form
    863,667.92/1,191,863.32 = 481,719.32/x
  3. Step 3: Cross multiply
    863,667.92x = 1,191,863.32 × 481,719.32
  4. Step 4: Simplify right side
    863,667.92x = 574,143,588,043.34
  5. Step 5: Solve for x
    x = 574,143,588,043.34/863,667.92
  6. Step 6: Final answer
    x = 664,773.55

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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.