Home / 1,227,408.81-1,840,257.52-543,923.49

Finding the Fourth Proportional to 1,227,408.81, 1,840,257.52 and 543,923.49

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Solution

The fourth proportional to 1,227,408.81, 1,840,257.52 and 543,923.49 is: 815,506.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,227,408.81 : 1,840,257.52 = 543,923.49 : x
  2. Step 2: Convert to fraction form
    1,227,408.81/1,840,257.52 = 543,923.49/x
  3. Step 3: Cross multiply
    1,227,408.81x = 1,840,257.52 × 543,923.49
  4. Step 4: Simplify right side
    1,227,408.81x = 1,000,959,292,777.14
  5. Step 5: Solve for x
    x = 1,000,959,292,777.14/1,227,408.81
  6. Step 6: Final answer
    x = 815,506.04

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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.