Home / 627,188.20-940,459.74-206,416.36

Finding the Fourth Proportional to 627,188.20, 940,459.74 and 206,416.36

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Solution

The fourth proportional to 627,188.20, 940,459.74 and 206,416.36 is: 309,518.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,188.20 : 940,459.74 = 206,416.36 : x
  2. Step 2: Convert to fraction form
    627,188.20/940,459.74 = 206,416.36/x
  3. Step 3: Cross multiply
    627,188.20x = 940,459.74 × 206,416.36
  4. Step 4: Simplify right side
    627,188.20x = 194,126,276,257.35
  5. Step 5: Solve for x
    x = 194,126,276,257.35/627,188.20
  6. Step 6: Final answer
    x = 309,518.38

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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.