Home / 598,964.40-898,446.60-199,618.20

Finding the Fourth Proportional to 598,964.40, 898,446.60 and 199,618.20

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Solution

The fourth proportional to 598,964.40, 898,446.60 and 199,618.20 is: 299,427.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    598,964.40 : 898,446.60 = 199,618.20 : x
  2. Step 2: Convert to fraction form
    598,964.40/898,446.60 = 199,618.20/x
  3. Step 3: Cross multiply
    598,964.40x = 898,446.60 × 199,618.20
  4. Step 4: Simplify right side
    598,964.40x = 179,346,293,088.12
  5. Step 5: Solve for x
    x = 179,346,293,088.12/598,964.40
  6. Step 6: Final answer
    x = 299,427.30

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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.