Home / 598,961.40-898,442.10-199,615.20

Finding the Fourth Proportional to 598,961.40, 898,442.10 and 199,615.20

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Solution

The fourth proportional to 598,961.40, 898,442.10 and 199,615.20 is: 299,422.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    598,961.40 : 898,442.10 = 199,615.20 : x
  2. Step 2: Convert to fraction form
    598,961.40/898,442.10 = 199,615.20/x
  3. Step 3: Cross multiply
    598,961.40x = 898,442.10 × 199,615.20
  4. Step 4: Simplify right side
    598,961.40x = 179,342,699,479.92
  5. Step 5: Solve for x
    x = 179,342,699,479.92/598,961.40
  6. Step 6: Final answer
    x = 299,422.80

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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.