Home / 1,582,542.46-2,183,905.64-857,408.20

Finding the Fourth Proportional to 1,582,542.46, 2,183,905.64 and 857,408.20

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Solution

The fourth proportional to 1,582,542.46, 2,183,905.64 and 857,408.20 is: 1,183,221.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,582,542.46 : 2,183,905.64 = 857,408.20 : x
  2. Step 2: Convert to fraction form
    1,582,542.46/2,183,905.64 = 857,408.20/x
  3. Step 3: Cross multiply
    1,582,542.46x = 2,183,905.64 × 857,408.20
  4. Step 4: Simplify right side
    1,582,542.46x = 1,872,498,603,762.25
  5. Step 5: Solve for x
    x = 1,872,498,603,762.25/1,582,542.46
  6. Step 6: Final answer
    x = 1,183,221.72

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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.