Home / 1,586,408.56-2,379,366.18-521,443.24

Finding the Fourth Proportional to 1,586,408.56, 2,379,366.18 and 521,443.24

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Solution

The fourth proportional to 1,586,408.56, 2,379,366.18 and 521,443.24 is: 782,083.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,586,408.56 : 2,379,366.18 = 521,443.24 : x
  2. Step 2: Convert to fraction form
    1,586,408.56/2,379,366.18 = 521,443.24/x
  3. Step 3: Cross multiply
    1,586,408.56x = 2,379,366.18 × 521,443.24
  4. Step 4: Simplify right side
    1,586,408.56x = 1,240,704,410,045.62
  5. Step 5: Solve for x
    x = 1,240,704,410,045.62/1,586,408.56
  6. Step 6: Final answer
    x = 782,083.78

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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.