Home / 619,079.19-928,682.42-214,270.60

Finding the Fourth Proportional to 619,079.19, 928,682.42 and 214,270.60

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Solution

The fourth proportional to 619,079.19, 928,682.42 and 214,270.60 is: 321,427.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,079.19 : 928,682.42 = 214,270.60 : x
  2. Step 2: Convert to fraction form
    619,079.19/928,682.42 = 214,270.60/x
  3. Step 3: Cross multiply
    619,079.19x = 928,682.42 × 214,270.60
  4. Step 4: Simplify right side
    619,079.19x = 198,989,339,342.85
  5. Step 5: Solve for x
    x = 198,989,339,342.85/619,079.19
  6. Step 6: Final answer
    x = 321,427.92

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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.