Home / 488,715.76-736,403.22-401,913.73

Finding the Fourth Proportional to 488,715.76, 736,403.22 and 401,913.73

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Solution

The fourth proportional to 488,715.76, 736,403.22 and 401,913.73 is: 605,608.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,715.76 : 736,403.22 = 401,913.73 : x
  2. Step 2: Convert to fraction form
    488,715.76/736,403.22 = 401,913.73/x
  3. Step 3: Cross multiply
    488,715.76x = 736,403.22 × 401,913.73
  4. Step 4: Simplify right side
    488,715.76x = 295,970,561,252.19
  5. Step 5: Solve for x
    x = 295,970,561,252.19/488,715.76
  6. Step 6: Final answer
    x = 605,608.80

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.