Home / 911,401.06-1,365,912.51-659,529.94

Finding the Fourth Proportional to 911,401.06, 1,365,912.51 and 659,529.94

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Solution

The fourth proportional to 911,401.06, 1,365,912.51 and 659,529.94 is: 988,434.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    911,401.06 : 1,365,912.51 = 659,529.94 : x
  2. Step 2: Convert to fraction form
    911,401.06/1,365,912.51 = 659,529.94/x
  3. Step 3: Cross multiply
    911,401.06x = 1,365,912.51 × 659,529.94
  4. Step 4: Simplify right side
    911,401.06x = 900,860,195,765.55
  5. Step 5: Solve for x
    x = 900,860,195,765.55/911,401.06
  6. Step 6: Final answer
    x = 988,434.44

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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.