Home / 1,324,693.69-1,987,042.59-378,064.41

Finding the Fourth Proportional to 1,324,693.69, 1,987,042.59 and 378,064.41

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Solution

The fourth proportional to 1,324,693.69, 1,987,042.59 and 378,064.41 is: 567,097.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,324,693.69 : 1,987,042.59 = 378,064.41 : x
  2. Step 2: Convert to fraction form
    1,324,693.69/1,987,042.59 = 378,064.41/x
  3. Step 3: Cross multiply
    1,324,693.69x = 1,987,042.59 × 378,064.41
  4. Step 4: Simplify right side
    1,324,693.69x = 751,230,088,158.93
  5. Step 5: Solve for x
    x = 751,230,088,158.93/1,324,693.69
  6. Step 6: Final answer
    x = 567,097.20

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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.