Home / 1,126,800-1,689,843.12-368,466.24

Finding the Fourth Proportional to 1,126,800, 1,689,843.12 and 368,466.24

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Solution

The fourth proportional to 1,126,800, 1,689,843.12 and 368,466.24 is: 552,582.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,126,800 : 1,689,843.12 = 368,466.24 : x
  2. Step 2: Convert to fraction form
    1,126,800/1,689,843.12 = 368,466.24/x
  3. Step 3: Cross multiply
    1,126,800x = 1,689,843.12 × 368,466.24
  4. Step 4: Simplify right side
    1,126,800x = 622,650,140,616.27
  5. Step 5: Solve for x
    x = 622,650,140,616.27/1,126,800
  6. Step 6: Final answer
    x = 552,582.66

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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.