Home / 414,492.20-621,738.30-114,972.20

Finding the Fourth Proportional to 414,492.20, 621,738.30 and 114,972.20

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Solution

The fourth proportional to 414,492.20, 621,738.30 and 114,972.20 is: 172,458.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,492.20 : 621,738.30 = 114,972.20 : x
  2. Step 2: Convert to fraction form
    414,492.20/621,738.30 = 114,972.20/x
  3. Step 3: Cross multiply
    414,492.20x = 621,738.30 × 114,972.20
  4. Step 4: Simplify right side
    414,492.20x = 71,482,620,175.26
  5. Step 5: Solve for x
    x = 71,482,620,175.26/414,492.20
  6. Step 6: Final answer
    x = 172,458.30

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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.