Home / 598,972.20-898,458.30-480,874.20

Finding the Fourth Proportional to 598,972.20, 898,458.30 and 480,874.20

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Solution

The fourth proportional to 598,972.20, 898,458.30 and 480,874.20 is: 721,311.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    598,972.20 : 898,458.30 = 480,874.20 : x
  2. Step 2: Convert to fraction form
    598,972.20/898,458.30 = 480,874.20/x
  3. Step 3: Cross multiply
    598,972.20x = 898,458.30 × 480,874.20
  4. Step 4: Simplify right side
    598,972.20x = 432,045,416,245.86
  5. Step 5: Solve for x
    x = 432,045,416,245.86/598,972.20
  6. Step 6: Final answer
    x = 721,311.30

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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.