Home / 414,939.78-621,826.47-237,180.42

Finding the Fourth Proportional to 414,939.78, 621,826.47 and 237,180.42

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Solution

The fourth proportional to 414,939.78, 621,826.47 and 237,180.42 is: 355,437.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,939.78 : 621,826.47 = 237,180.42 : x
  2. Step 2: Convert to fraction form
    414,939.78/621,826.47 = 237,180.42/x
  3. Step 3: Cross multiply
    414,939.78x = 621,826.47 × 237,180.42
  4. Step 4: Simplify right side
    414,939.78x = 147,485,063,321.72
  5. Step 5: Solve for x
    x = 147,485,063,321.72/414,939.78
  6. Step 6: Final answer
    x = 355,437.27

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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.