Home / 641,586.60-961,942.44-325,433.88

Finding the Fourth Proportional to 641,586.60, 961,942.44 and 325,433.88

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Solution

The fourth proportional to 641,586.60, 961,942.44 and 325,433.88 is: 487,928.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,586.60 : 961,942.44 = 325,433.88 : x
  2. Step 2: Convert to fraction form
    641,586.60/961,942.44 = 325,433.88/x
  3. Step 3: Cross multiply
    641,586.60x = 961,942.44 × 325,433.88
  4. Step 4: Simplify right side
    641,586.60x = 313,048,660,585.87
  5. Step 5: Solve for x
    x = 313,048,660,585.87/641,586.60
  6. Step 6: Final answer
    x = 487,928.93

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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.