Home / 526,940.15-727,179.23-285,222.66

Finding the Fourth Proportional to 526,940.15, 727,179.23 and 285,222.66

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Solution

The fourth proportional to 526,940.15, 727,179.23 and 285,222.66 is: 393,608.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,940.15 : 727,179.23 = 285,222.66 : x
  2. Step 2: Convert to fraction form
    526,940.15/727,179.23 = 285,222.66/x
  3. Step 3: Cross multiply
    526,940.15x = 727,179.23 × 285,222.66
  4. Step 4: Simplify right side
    526,940.15x = 207,407,995,551.68
  5. Step 5: Solve for x
    x = 207,407,995,551.68/526,940.15
  6. Step 6: Final answer
    x = 393,608.26

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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.