Home / 863,743.68-1,191,963.18-481,770.16

Finding the Fourth Proportional to 863,743.68, 1,191,963.18 and 481,770.16

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Solution

The fourth proportional to 863,743.68, 1,191,963.18 and 481,770.16 is: 664,841.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,743.68 : 1,191,963.18 = 481,770.16 : x
  2. Step 2: Convert to fraction form
    863,743.68/1,191,963.18 = 481,770.16/x
  3. Step 3: Cross multiply
    863,743.68x = 1,191,963.18 × 481,770.16
  4. Step 4: Simplify right side
    863,743.68x = 574,252,291,942.71
  5. Step 5: Solve for x
    x = 574,252,291,942.71/863,743.68
  6. Step 6: Final answer
    x = 664,841.09

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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.