Home / 619,078.19-928,680.92-214,269.60

Finding the Fourth Proportional to 619,078.19, 928,680.92 and 214,269.60

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Solution

The fourth proportional to 619,078.19, 928,680.92 and 214,269.60 is: 321,426.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,078.19 : 928,680.92 = 214,269.60 : x
  2. Step 2: Convert to fraction form
    619,078.19/928,680.92 = 214,269.60/x
  3. Step 3: Cross multiply
    619,078.19x = 928,680.92 × 214,269.60
  4. Step 4: Simplify right side
    619,078.19x = 198,988,089,256.03
  5. Step 5: Solve for x
    x = 198,988,089,256.03/619,078.19
  6. Step 6: Final answer
    x = 321,426.42

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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.