Home / 691,115.72-1,036,603.48-185,611

Finding the Fourth Proportional to 691,115.72, 1,036,603.48 and 185,611

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Solution

The fourth proportional to 691,115.72, 1,036,603.48 and 185,611 is: 278,397.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,115.72 : 1,036,603.48 = 185,611 : x
  2. Step 2: Convert to fraction form
    691,115.72/1,036,603.48 = 185,611/x
  3. Step 3: Cross multiply
    691,115.72x = 1,036,603.48 × 185,611
  4. Step 4: Simplify right side
    691,115.72x = 192,405,008,526.28
  5. Step 5: Solve for x
    x = 192,405,008,526.28/691,115.72
  6. Step 6: Final answer
    x = 278,397.67

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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.