Home / 493,442.20-740,336.10-213,160.60

Finding the Fourth Proportional to 493,442.20, 740,336.10 and 213,160.60

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Solution

The fourth proportional to 493,442.20, 740,336.10 and 213,160.60 is: 319,815.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,442.20 : 740,336.10 = 213,160.60 : x
  2. Step 2: Convert to fraction form
    493,442.20/740,336.10 = 213,160.60/x
  3. Step 3: Cross multiply
    493,442.20x = 740,336.10 × 213,160.60
  4. Step 4: Simplify right side
    493,442.20x = 157,810,487,277.66
  5. Step 5: Solve for x
    x = 157,810,487,277.66/493,442.20
  6. Step 6: Final answer
    x = 319,815.55

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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.