Home / 552,731.50-762,764.52-311,009.24

Finding the Fourth Proportional to 552,731.50, 762,764.52 and 311,009.24

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Solution

The fourth proportional to 552,731.50, 762,764.52 and 311,009.24 is: 429,189.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,731.50 : 762,764.52 = 311,009.24 : x
  2. Step 2: Convert to fraction form
    552,731.50/762,764.52 = 311,009.24/x
  3. Step 3: Cross multiply
    552,731.50x = 762,764.52 × 311,009.24
  4. Step 4: Simplify right side
    552,731.50x = 237,226,813,664.17
  5. Step 5: Solve for x
    x = 237,226,813,664.17/552,731.50
  6. Step 6: Final answer
    x = 429,189.97

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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.