Home / 370,696.90-511,515.93-263,227.72

Finding the Fourth Proportional to 370,696.90, 511,515.93 and 263,227.72

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Solution

The fourth proportional to 370,696.90, 511,515.93 and 263,227.72 is: 363,221.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,696.90 : 511,515.93 = 263,227.72 : x
  2. Step 2: Convert to fraction form
    370,696.90/511,515.93 = 263,227.72/x
  3. Step 3: Cross multiply
    370,696.90x = 511,515.93 × 263,227.72
  4. Step 4: Simplify right side
    370,696.90x = 134,645,171,997.58
  5. Step 5: Solve for x
    x = 134,645,171,997.58/370,696.90
  6. Step 6: Final answer
    x = 363,221.74

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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.