Home / 598,890.54-898,214.34-219,682.20

Finding the Fourth Proportional to 598,890.54, 898,214.34 and 219,682.20

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Solution

The fourth proportional to 598,890.54, 898,214.34 and 219,682.20 is: 329,478.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    598,890.54 : 898,214.34 = 219,682.20 : x
  2. Step 2: Convert to fraction form
    598,890.54/898,214.34 = 219,682.20/x
  3. Step 3: Cross multiply
    598,890.54x = 898,214.34 × 219,682.20
  4. Step 4: Simplify right side
    598,890.54x = 197,321,702,282.75
  5. Step 5: Solve for x
    x = 197,321,702,282.75/598,890.54
  6. Step 6: Final answer
    x = 329,478.74

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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.