Home / 403,248.20-604,289.10-178,424.60

Finding the Fourth Proportional to 403,248.20, 604,289.10 and 178,424.60

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Solution

The fourth proportional to 403,248.20, 604,289.10 and 178,424.60 is: 267,378.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,248.20 : 604,289.10 = 178,424.60 : x
  2. Step 2: Convert to fraction form
    403,248.20/604,289.10 = 178,424.60/x
  3. Step 3: Cross multiply
    403,248.20x = 604,289.10 × 178,424.60
  4. Step 4: Simplify right side
    403,248.20x = 107,820,040,951.86
  5. Step 5: Solve for x
    x = 107,820,040,951.86/403,248.20
  6. Step 6: Final answer
    x = 267,378.85

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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.