Home / 1,196,121.72-1,794,215.56-386,540.76

Finding the Fourth Proportional to 1,196,121.72, 1,794,215.56 and 386,540.76

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Solution

The fourth proportional to 1,196,121.72, 1,794,215.56 and 386,540.76 is: 579,821.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,196,121.72 : 1,794,215.56 = 386,540.76 : x
  2. Step 2: Convert to fraction form
    1,196,121.72/1,794,215.56 = 386,540.76/x
  3. Step 3: Cross multiply
    1,196,121.72x = 1,794,215.56 × 386,540.76
  4. Step 4: Simplify right side
    1,196,121.72x = 693,537,446,166.23
  5. Step 5: Solve for x
    x = 693,537,446,166.23/1,196,121.72
  6. Step 6: Final answer
    x = 579,821.80

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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.