Home / 383,256.21-528,909.92-213,490.41

Finding the Fourth Proportional to 383,256.21, 528,909.92 and 213,490.41

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Solution

The fourth proportional to 383,256.21, 528,909.92 and 213,490.41 is: 294,625.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,256.21 : 528,909.92 = 213,490.41 : x
  2. Step 2: Convert to fraction form
    383,256.21/528,909.92 = 213,490.41/x
  3. Step 3: Cross multiply
    383,256.21x = 528,909.92 × 213,490.41
  4. Step 4: Simplify right side
    383,256.21x = 112,917,194,606.42
  5. Step 5: Solve for x
    x = 112,917,194,606.42/383,256.21
  6. Step 6: Final answer
    x = 294,625.87

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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.