Home / 488,743.20-732,580.20-173,037.60

Finding the Fourth Proportional to 488,743.20, 732,580.20 and 173,037.60

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Solution

The fourth proportional to 488,743.20, 732,580.20 and 173,037.60 is: 259,367.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,743.20 : 732,580.20 = 173,037.60 : x
  2. Step 2: Convert to fraction form
    488,743.20/732,580.20 = 173,037.60/x
  3. Step 3: Cross multiply
    488,743.20x = 732,580.20 × 173,037.60
  4. Step 4: Simplify right side
    488,743.20x = 126,763,919,615.52
  5. Step 5: Solve for x
    x = 126,763,919,615.52/488,743.20
  6. Step 6: Final answer
    x = 259,367.13

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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.