Home / 439,230.56-606,133.94-245,636.12

Finding the Fourth Proportional to 439,230.56, 606,133.94 and 245,636.12

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Solution

The fourth proportional to 439,230.56, 606,133.94 and 245,636.12 is: 338,975.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,230.56 : 606,133.94 = 245,636.12 : x
  2. Step 2: Convert to fraction form
    439,230.56/606,133.94 = 245,636.12/x
  3. Step 3: Cross multiply
    439,230.56x = 606,133.94 × 245,636.12
  4. Step 4: Simplify right side
    439,230.56x = 148,888,387,993.73
  5. Step 5: Solve for x
    x = 148,888,387,993.73/439,230.56
  6. Step 6: Final answer
    x = 338,975.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.