Home / 1,277,522.98-1,915,957.59-378,754.54

Finding the Fourth Proportional to 1,277,522.98, 1,915,957.59 and 378,754.54

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Solution

The fourth proportional to 1,277,522.98, 1,915,957.59 and 378,754.54 is: 568,034.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,277,522.98 : 1,915,957.59 = 378,754.54 : x
  2. Step 2: Convert to fraction form
    1,277,522.98/1,915,957.59 = 378,754.54/x
  3. Step 3: Cross multiply
    1,277,522.98x = 1,915,957.59 × 378,754.54
  4. Step 4: Simplify right side
    1,277,522.98x = 725,677,635,659.96
  5. Step 5: Solve for x
    x = 725,677,635,659.96/1,277,522.98
  6. Step 6: Final answer
    x = 568,034.90

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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.