Home / 476,620.43-714,930.05-121,634.46

Finding the Fourth Proportional to 476,620.43, 714,930.05 and 121,634.46

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Solution

The fourth proportional to 476,620.43, 714,930.05 and 121,634.46 is: 182,451.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,620.43 : 714,930.05 = 121,634.46 : x
  2. Step 2: Convert to fraction form
    476,620.43/714,930.05 = 121,634.46/x
  3. Step 3: Cross multiply
    476,620.43x = 714,930.05 × 121,634.46
  4. Step 4: Simplify right side
    476,620.43x = 86,960,130,189.42
  5. Step 5: Solve for x
    x = 86,960,130,189.42/476,620.43
  6. Step 6: Final answer
    x = 182,451.54

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.