Home / 1,192,611.76-1,789,747.08-770,841.52

Finding the Fourth Proportional to 1,192,611.76, 1,789,747.08 and 770,841.52

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Solution

The fourth proportional to 1,192,611.76, 1,789,747.08 and 770,841.52 is: 1,156,798.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,192,611.76 : 1,789,747.08 = 770,841.52 : x
  2. Step 2: Convert to fraction form
    1,192,611.76/1,789,747.08 = 770,841.52/x
  3. Step 3: Cross multiply
    1,192,611.76x = 1,789,747.08 × 770,841.52
  4. Step 4: Simplify right side
    1,192,611.76x = 1,379,611,359,562.76
  5. Step 5: Solve for x
    x = 1,379,611,359,562.76/1,192,611.76
  6. Step 6: Final answer
    x = 1,156,798.39

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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.