Home / 667,552.21-1,001,211.55-187,665.93

Finding the Fourth Proportional to 667,552.21, 1,001,211.55 and 187,665.93

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Solution

The fourth proportional to 667,552.21, 1,001,211.55 and 187,665.93 is: 281,466.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,552.21 : 1,001,211.55 = 187,665.93 : x
  2. Step 2: Convert to fraction form
    667,552.21/1,001,211.55 = 187,665.93/x
  3. Step 3: Cross multiply
    667,552.21x = 1,001,211.55 × 187,665.93
  4. Step 4: Simplify right side
    667,552.21x = 187,893,296,657.49
  5. Step 5: Solve for x
    x = 187,893,296,657.49/667,552.21
  6. Step 6: Final answer
    x = 281,466.07

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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.