Home / 488,961.80-733,442.70-236,436.20

Finding the Fourth Proportional to 488,961.80, 733,442.70 and 236,436.20

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Solution

The fourth proportional to 488,961.80, 733,442.70 and 236,436.20 is: 354,654.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,961.80 : 733,442.70 = 236,436.20 : x
  2. Step 2: Convert to fraction form
    488,961.80/733,442.70 = 236,436.20/x
  3. Step 3: Cross multiply
    488,961.80x = 733,442.70 × 236,436.20
  4. Step 4: Simplify right side
    488,961.80x = 173,412,404,905.74
  5. Step 5: Solve for x
    x = 173,412,404,905.74/488,961.80
  6. Step 6: Final answer
    x = 354,654.30

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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.