Home / 619,195.72-928,837.68-214,220.04

Finding the Fourth Proportional to 619,195.72, 928,837.68 and 214,220.04

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Solution

The fourth proportional to 619,195.72, 928,837.68 and 214,220.04 is: 321,345.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,195.72 : 928,837.68 = 214,220.04 : x
  2. Step 2: Convert to fraction form
    619,195.72/928,837.68 = 214,220.04/x
  3. Step 3: Cross multiply
    619,195.72x = 928,837.68 × 214,220.04
  4. Step 4: Simplify right side
    619,195.72x = 198,975,644,963.11
  5. Step 5: Solve for x
    x = 198,975,644,963.11/619,195.72
  6. Step 6: Final answer
    x = 321,345.32

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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.