Home / 474,867.62-655,257.27-378,316.35

Finding the Fourth Proportional to 474,867.62, 655,257.27 and 378,316.35

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Solution

The fourth proportional to 474,867.62, 655,257.27 and 378,316.35 is: 522,028.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,867.62 : 655,257.27 = 378,316.35 : x
  2. Step 2: Convert to fraction form
    474,867.62/655,257.27 = 378,316.35/x
  3. Step 3: Cross multiply
    474,867.62x = 655,257.27 × 378,316.35
  4. Step 4: Simplify right side
    474,867.62x = 247,894,538,697.37
  5. Step 5: Solve for x
    x = 247,894,538,697.37/474,867.62
  6. Step 6: Final answer
    x = 522,028.73

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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.