Home / 654,731.26-903,520.44-368,251.36

Finding the Fourth Proportional to 654,731.26, 903,520.44 and 368,251.36

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Solution

The fourth proportional to 654,731.26, 903,520.44 and 368,251.36 is: 508,181.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,731.26 : 903,520.44 = 368,251.36 : x
  2. Step 2: Convert to fraction form
    654,731.26/903,520.44 = 368,251.36/x
  3. Step 3: Cross multiply
    654,731.26x = 903,520.44 × 368,251.36
  4. Step 4: Simplify right side
    654,731.26x = 332,722,630,817.80
  5. Step 5: Solve for x
    x = 332,722,630,817.80/654,731.26
  6. Step 6: Final answer
    x = 508,181.98

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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.