Home / 451,846.24-677,328.68-215,125.36

Finding the Fourth Proportional to 451,846.24, 677,328.68 and 215,125.36

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Solution

The fourth proportional to 451,846.24, 677,328.68 and 215,125.36 is: 322,478.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,846.24 : 677,328.68 = 215,125.36 : x
  2. Step 2: Convert to fraction form
    451,846.24/677,328.68 = 215,125.36/x
  3. Step 3: Cross multiply
    451,846.24x = 677,328.68 × 215,125.36
  4. Step 4: Simplify right side
    451,846.24x = 145,710,576,123.33
  5. Step 5: Solve for x
    x = 145,710,576,123.33/451,846.24
  6. Step 6: Final answer
    x = 322,478.23

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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.