Home / 644,760.41-966,887.24-218,178.77

Finding the Fourth Proportional to 644,760.41, 966,887.24 and 218,178.77

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Solution

The fourth proportional to 644,760.41, 966,887.24 and 218,178.77 is: 327,182.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,760.41 : 966,887.24 = 218,178.77 : x
  2. Step 2: Convert to fraction form
    644,760.41/966,887.24 = 218,178.77/x
  3. Step 3: Cross multiply
    644,760.41x = 966,887.24 × 218,178.77
  4. Step 4: Simplify right side
    644,760.41x = 210,954,262,826.57
  5. Step 5: Solve for x
    x = 210,954,262,826.57/644,760.41
  6. Step 6: Final answer
    x = 327,182.41

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1.5x scale

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.