Home / 619,076.19-928,677.92-214,267.60

Finding the Fourth Proportional to 619,076.19, 928,677.92 and 214,267.60

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Solution

The fourth proportional to 619,076.19, 928,677.92 and 214,267.60 is: 321,423.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,076.19 : 928,677.92 = 214,267.60 : x
  2. Step 2: Convert to fraction form
    619,076.19/928,677.92 = 214,267.60/x
  3. Step 3: Cross multiply
    619,076.19x = 928,677.92 × 214,267.60
  4. Step 4: Simplify right side
    619,076.19x = 198,985,589,091.39
  5. Step 5: Solve for x
    x = 198,985,589,091.39/619,076.19
  6. Step 6: Final answer
    x = 321,423.42

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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.