Home / 619,233.20-928,849.80-198,551.60

Finding the Fourth Proportional to 619,233.20, 928,849.80 and 198,551.60

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Solution

The fourth proportional to 619,233.20, 928,849.80 and 198,551.60 is: 297,827.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,233.20 : 928,849.80 = 198,551.60 : x
  2. Step 2: Convert to fraction form
    619,233.20/928,849.80 = 198,551.60/x
  3. Step 3: Cross multiply
    619,233.20x = 928,849.80 × 198,551.60
  4. Step 4: Simplify right side
    619,233.20x = 184,424,613,949.68
  5. Step 5: Solve for x
    x = 184,424,613,949.68/619,233.20
  6. Step 6: Final answer
    x = 297,827.40

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Double scale
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Similar ratio
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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.