Home / 547,938.27-821,874.60-228,009.33

Finding the Fourth Proportional to 547,938.27, 821,874.60 and 228,009.33

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Solution

The fourth proportional to 547,938.27, 821,874.60 and 228,009.33 is: 342,000.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,938.27 : 821,874.60 = 228,009.33 : x
  2. Step 2: Convert to fraction form
    547,938.27/821,874.60 = 228,009.33/x
  3. Step 3: Cross multiply
    547,938.27x = 821,874.60 × 228,009.33
  4. Step 4: Simplify right side
    547,938.27x = 187,395,076,890.02
  5. Step 5: Solve for x
    x = 187,395,076,890.02/547,938.27
  6. Step 6: Final answer
    x = 342,000.34

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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.