Home / 413,359.26-620,042.21-113,856.36

Finding the Fourth Proportional to 413,359.26, 620,042.21 and 113,856.36

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Solution

The fourth proportional to 413,359.26, 620,042.21 and 113,856.36 is: 170,785.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    413,359.26 : 620,042.21 = 113,856.36 : x
  2. Step 2: Convert to fraction form
    413,359.26/620,042.21 = 113,856.36/x
  3. Step 3: Cross multiply
    413,359.26x = 620,042.21 × 113,856.36
  4. Step 4: Simplify right side
    413,359.26x = 70,595,749,076.96
  5. Step 5: Solve for x
    x = 70,595,749,076.96/413,359.26
  6. Step 6: Final answer
    x = 170,785.45

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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.