Home / 474,731.78-655,137.06-259,891.83

Finding the Fourth Proportional to 474,731.78, 655,137.06 and 259,891.83

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Solution

The fourth proportional to 474,731.78, 655,137.06 and 259,891.83 is: 358,654.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,731.78 : 655,137.06 = 259,891.83 : x
  2. Step 2: Convert to fraction form
    474,731.78/655,137.06 = 259,891.83/x
  3. Step 3: Cross multiply
    474,731.78x = 655,137.06 × 259,891.83
  4. Step 4: Simplify right side
    474,731.78x = 170,264,769,424.22
  5. Step 5: Solve for x
    x = 170,264,769,424.22/474,731.78
  6. Step 6: Final answer
    x = 358,654.67

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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.