Home / 1,110,800-1,666,204.80-269,353.28

Finding the Fourth Proportional to 1,110,800, 1,666,204.80 and 269,353.28

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Solution

The fourth proportional to 1,110,800, 1,666,204.80 and 269,353.28 is: 404,031.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,110,800 : 1,666,204.80 = 269,353.28 : x
  2. Step 2: Convert to fraction form
    1,110,800/1,666,204.80 = 269,353.28/x
  3. Step 3: Cross multiply
    1,110,800x = 1,666,204.80 × 269,353.28
  4. Step 4: Simplify right side
    1,110,800x = 448,797,728,031.74
  5. Step 5: Solve for x
    x = 448,797,728,031.74/1,110,800
  6. Step 6: Final answer
    x = 404,031.08

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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.