Home / 638,982.42-957,527.01-259,441.62

Finding the Fourth Proportional to 638,982.42, 957,527.01 and 259,441.62

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Solution

The fourth proportional to 638,982.42, 957,527.01 and 259,441.62 is: 388,778.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    638,982.42 : 957,527.01 = 259,441.62 : x
  2. Step 2: Convert to fraction form
    638,982.42/957,527.01 = 259,441.62/x
  3. Step 3: Cross multiply
    638,982.42x = 957,527.01 × 259,441.62
  4. Step 4: Simplify right side
    638,982.42x = 248,422,358,668.16
  5. Step 5: Solve for x
    x = 248,422,358,668.16/638,982.42
  6. Step 6: Final answer
    x = 388,778.08

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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.