Home / 863,684.25-1,191,884.27-481,711.34

Finding the Fourth Proportional to 863,684.25, 1,191,884.27 and 481,711.34

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Solution

The fourth proportional to 863,684.25, 1,191,884.27 and 481,711.34 is: 664,761.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,684.25 : 1,191,884.27 = 481,711.34 : x
  2. Step 2: Convert to fraction form
    863,684.25/1,191,884.27 = 481,711.34/x
  3. Step 3: Cross multiply
    863,684.25x = 1,191,884.27 × 481,711.34
  4. Step 4: Simplify right side
    863,684.25x = 574,144,160,458.64
  5. Step 5: Solve for x
    x = 574,144,160,458.64/863,684.25
  6. Step 6: Final answer
    x = 664,761.64

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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.