Home / 1,538,733.38-2,306,208.20-863,395.88

Finding the Fourth Proportional to 1,538,733.38, 2,306,208.20 and 863,395.88

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Solution

The fourth proportional to 1,538,733.38, 2,306,208.20 and 863,395.88 is: 1,294,032.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,538,733.38 : 2,306,208.20 = 863,395.88 : x
  2. Step 2: Convert to fraction form
    1,538,733.38/2,306,208.20 = 863,395.88/x
  3. Step 3: Cross multiply
    1,538,733.38x = 2,306,208.20 × 863,395.88
  4. Step 4: Simplify right side
    1,538,733.38x = 1,991,170,642,454.20
  5. Step 5: Solve for x
    x = 1,991,170,642,454.20/1,538,733.38
  6. Step 6: Final answer
    x = 1,294,032.27

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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.