Home / 456,825.30-685,049.32-172,467.46

Finding the Fourth Proportional to 456,825.30, 685,049.32 and 172,467.46

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Solution

The fourth proportional to 456,825.30, 685,049.32 and 172,467.46 is: 258,629.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,825.30 : 685,049.32 = 172,467.46 : x
  2. Step 2: Convert to fraction form
    456,825.30/685,049.32 = 172,467.46/x
  3. Step 3: Cross multiply
    456,825.30x = 685,049.32 × 172,467.46
  4. Step 4: Simplify right side
    456,825.30x = 118,148,716,195.13
  5. Step 5: Solve for x
    x = 118,148,716,195.13/456,825.30
  6. Step 6: Final answer
    x = 258,629.98

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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.