Home / 619,218.19-928,919.63-219,825.52

Finding the Fourth Proportional to 619,218.19, 928,919.63 and 219,825.52

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Solution

The fourth proportional to 619,218.19, 928,919.63 and 219,825.52 is: 329,771.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,218.19 : 928,919.63 = 219,825.52 : x
  2. Step 2: Convert to fraction form
    619,218.19/928,919.63 = 219,825.52/x
  3. Step 3: Cross multiply
    619,218.19x = 928,919.63 × 219,825.52
  4. Step 4: Simplify right side
    619,218.19x = 204,200,240,702.96
  5. Step 5: Solve for x
    x = 204,200,240,702.96/619,218.19
  6. Step 6: Final answer
    x = 329,771.06

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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.