Home / 863,165.28-1,191,173.28-481,216.32

Finding the Fourth Proportional to 863,165.28, 1,191,173.28 and 481,216.32

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Solution

The fourth proportional to 863,165.28, 1,191,173.28 and 481,216.32 is: 664,081.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,165.28 : 1,191,173.28 = 481,216.32 : x
  2. Step 2: Convert to fraction form
    863,165.28/1,191,173.28 = 481,216.32/x
  3. Step 3: Cross multiply
    863,165.28x = 1,191,173.28 × 481,216.32
  4. Step 4: Simplify right side
    863,165.28x = 573,212,022,283.93
  5. Step 5: Solve for x
    x = 573,212,022,283.93/863,165.28
  6. Step 6: Final answer
    x = 664,081.42

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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.