Home / 383,247.46-528,897.84-213,481.66

Finding the Fourth Proportional to 383,247.46, 528,897.84 and 213,481.66

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Solution

The fourth proportional to 383,247.46, 528,897.84 and 213,481.66 is: 294,613.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,247.46 : 528,897.84 = 213,481.66 : x
  2. Step 2: Convert to fraction form
    383,247.46/528,897.84 = 213,481.66/x
  3. Step 3: Cross multiply
    383,247.46x = 528,897.84 × 213,481.66
  4. Step 4: Simplify right side
    383,247.46x = 112,909,988,853.61
  5. Step 5: Solve for x
    x = 112,909,988,853.61/383,247.46
  6. Step 6: Final answer
    x = 294,613.80

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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.