Home / 414,007.20-620,573.40-236,131.20

Finding the Fourth Proportional to 414,007.20, 620,573.40 and 236,131.20

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Solution

The fourth proportional to 414,007.20, 620,573.40 and 236,131.20 is: 353,947.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,007.20 : 620,573.40 = 236,131.20 : x
  2. Step 2: Convert to fraction form
    414,007.20/620,573.40 = 236,131.20/x
  3. Step 3: Cross multiply
    414,007.20x = 620,573.40 × 236,131.20
  4. Step 4: Simplify right side
    414,007.20x = 146,536,741,630.08
  5. Step 5: Solve for x
    x = 146,536,741,630.08/414,007.20
  6. Step 6: Final answer
    x = 353,947.33

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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.