Home / 409,025.03-564,477.83-245,731.48

Finding the Fourth Proportional to 409,025.03, 564,477.83 and 245,731.48

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Solution

The fourth proportional to 409,025.03, 564,477.83 and 245,731.48 is: 339,123.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,025.03 : 564,477.83 = 245,731.48 : x
  2. Step 2: Convert to fraction form
    409,025.03/564,477.83 = 245,731.48/x
  3. Step 3: Cross multiply
    409,025.03x = 564,477.83 × 245,731.48
  4. Step 4: Simplify right side
    409,025.03x = 138,709,972,593.09
  5. Step 5: Solve for x
    x = 138,709,972,593.09/409,025.03
  6. Step 6: Final answer
    x = 339,123.43

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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.