Home / 621,836.20-933,138.30-247,820.20

Finding the Fourth Proportional to 621,836.20, 933,138.30 and 247,820.20

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Solution

The fourth proportional to 621,836.20, 933,138.30 and 247,820.20 is: 371,883.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,836.20 : 933,138.30 = 247,820.20 : x
  2. Step 2: Convert to fraction form
    621,836.20/933,138.30 = 247,820.20/x
  3. Step 3: Cross multiply
    621,836.20x = 933,138.30 × 247,820.20
  4. Step 4: Simplify right side
    621,836.20x = 231,250,520,133.66
  5. Step 5: Solve for x
    x = 231,250,520,133.66/621,836.20
  6. Step 6: Final answer
    x = 371,883.34

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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.