Home / 467,669.32-644,953.26-306,465.82

Finding the Fourth Proportional to 467,669.32, 644,953.26 and 306,465.82

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Solution

The fourth proportional to 467,669.32, 644,953.26 and 306,465.82 is: 422,640.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,669.32 : 644,953.26 = 306,465.82 : x
  2. Step 2: Convert to fraction form
    467,669.32/644,953.26 = 306,465.82/x
  3. Step 3: Cross multiply
    467,669.32x = 644,953.26 × 306,465.82
  4. Step 4: Simplify right side
    467,669.32x = 197,656,129,687.57
  5. Step 5: Solve for x
    x = 197,656,129,687.57/467,669.32
  6. Step 6: Final answer
    x = 422,640.79

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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.