Home / 1,553,198.40-2,143,558.44-908,577.72

Finding the Fourth Proportional to 1,553,198.40, 2,143,558.44 and 908,577.72

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Solution

The fourth proportional to 1,553,198.40, 2,143,558.44 and 908,577.72 is: 1,253,921.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,553,198.40 : 2,143,558.44 = 908,577.72 : x
  2. Step 2: Convert to fraction form
    1,553,198.40/2,143,558.44 = 908,577.72/x
  3. Step 3: Cross multiply
    1,553,198.40x = 2,143,558.44 × 908,577.72
  4. Step 4: Simplify right side
    1,553,198.40x = 1,947,589,440,101.96
  5. Step 5: Solve for x
    x = 1,947,589,440,101.96/1,553,198.40
  6. Step 6: Final answer
    x = 1,253,921.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.