Home / 451,629.66-677,444.78-114,695.58

Finding the Fourth Proportional to 451,629.66, 677,444.78 and 114,695.58

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Solution

The fourth proportional to 451,629.66, 677,444.78 and 114,695.58 is: 172,043.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,629.66 : 677,444.78 = 114,695.58 : x
  2. Step 2: Convert to fraction form
    451,629.66/677,444.78 = 114,695.58/x
  3. Step 3: Cross multiply
    451,629.66x = 677,444.78 × 114,695.58
  4. Step 4: Simplify right side
    451,629.66x = 77,699,921,960.07
  5. Step 5: Solve for x
    x = 77,699,921,960.07/451,629.66
  6. Step 6: Final answer
    x = 172,043.44

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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.