Home / 508,635.93-762,961.20-153,653.04

Finding the Fourth Proportional to 508,635.93, 762,961.20 and 153,653.04

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Solution

The fourth proportional to 508,635.93, 762,961.20 and 153,653.04 is: 230,481.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,635.93 : 762,961.20 = 153,653.04 : x
  2. Step 2: Convert to fraction form
    508,635.93/762,961.20 = 153,653.04/x
  3. Step 3: Cross multiply
    508,635.93x = 762,961.20 × 153,653.04
  4. Step 4: Simplify right side
    508,635.93x = 117,231,307,782.05
  5. Step 5: Solve for x
    x = 117,231,307,782.05/508,635.93
  6. Step 6: Final answer
    x = 230,481.77

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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.