Home / 612,942.66-845,977.37-383,606.55

Finding the Fourth Proportional to 612,942.66, 845,977.37 and 383,606.55

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Solution

The fourth proportional to 612,942.66, 845,977.37 and 383,606.55 is: 529,449.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,942.66 : 845,977.37 = 383,606.55 : x
  2. Step 2: Convert to fraction form
    612,942.66/845,977.37 = 383,606.55/x
  3. Step 3: Cross multiply
    612,942.66x = 845,977.37 × 383,606.55
  4. Step 4: Simplify right side
    612,942.66x = 324,522,458,365.74
  5. Step 5: Solve for x
    x = 324,522,458,365.74/612,942.66
  6. Step 6: Final answer
    x = 529,449.95

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.