Home / 329,827.20-493,185.60-245,846.40

Finding the Fourth Proportional to 329,827.20, 493,185.60 and 245,846.40

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Solution

The fourth proportional to 329,827.20, 493,185.60 and 245,846.40 is: 367,610.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,827.20 : 493,185.60 = 245,846.40 : x
  2. Step 2: Convert to fraction form
    329,827.20/493,185.60 = 245,846.40/x
  3. Step 3: Cross multiply
    329,827.20x = 493,185.60 × 245,846.40
  4. Step 4: Simplify right side
    329,827.20x = 121,247,904,291.84
  5. Step 5: Solve for x
    x = 121,247,904,291.84/329,827.20
  6. Step 6: Final answer
    x = 367,610.39

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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.