Home / 496,783.36-744,588.24-212,390.74

Finding the Fourth Proportional to 496,783.36, 744,588.24 and 212,390.74

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Solution

The fourth proportional to 496,783.36, 744,588.24 and 212,390.74 is: 318,335.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,783.36 : 744,588.24 = 212,390.74 : x
  2. Step 2: Convert to fraction form
    496,783.36/744,588.24 = 212,390.74/x
  3. Step 3: Cross multiply
    496,783.36x = 744,588.24 × 212,390.74
  4. Step 4: Simplify right side
    496,783.36x = 158,143,647,288.90
  5. Step 5: Solve for x
    x = 158,143,647,288.90/496,783.36
  6. Step 6: Final answer
    x = 318,335.23

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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.