Home / 414,128.28-620,825.22-245,233.56

Finding the Fourth Proportional to 414,128.28, 620,825.22 and 245,233.56

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Solution

The fourth proportional to 414,128.28, 620,825.22 and 245,233.56 is: 367,632.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,128.28 : 620,825.22 = 245,233.56 : x
  2. Step 2: Convert to fraction form
    414,128.28/620,825.22 = 245,233.56/x
  3. Step 3: Cross multiply
    414,128.28x = 620,825.22 × 245,233.56
  4. Step 4: Simplify right side
    414,128.28x = 152,247,178,838.38
  5. Step 5: Solve for x
    x = 152,247,178,838.38/414,128.28
  6. Step 6: Final answer
    x = 367,632.90

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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.