Home / 413,629.98-620,371.05-110,025.78

Finding the Fourth Proportional to 413,629.98, 620,371.05 and 110,025.78

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Solution

The fourth proportional to 413,629.98, 620,371.05 and 110,025.78 is: 165,019.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    413,629.98 : 620,371.05 = 110,025.78 : x
  2. Step 2: Convert to fraction form
    413,629.98/620,371.05 = 110,025.78/x
  3. Step 3: Cross multiply
    413,629.98x = 620,371.05 × 110,025.78
  4. Step 4: Simplify right side
    413,629.98x = 68,256,808,665.67
  5. Step 5: Solve for x
    x = 68,256,808,665.67/413,629.98
  6. Step 6: Final answer
    x = 165,019.01

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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.