Home / 311,929.60-467,894.40-303,181.60

Finding the Fourth Proportional to 311,929.60, 467,894.40 and 303,181.60

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Solution

The fourth proportional to 311,929.60, 467,894.40 and 303,181.60 is: 454,772.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,929.60 : 467,894.40 = 303,181.60 : x
  2. Step 2: Convert to fraction form
    311,929.60/467,894.40 = 303,181.60/x
  3. Step 3: Cross multiply
    311,929.60x = 467,894.40 × 303,181.60
  4. Step 4: Simplify right side
    311,929.60x = 141,856,972,823.04
  5. Step 5: Solve for x
    x = 141,856,972,823.04/311,929.60
  6. Step 6: Final answer
    x = 454,772.40

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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.