Home / 407,933.56-562,939.80-226,634.86

Finding the Fourth Proportional to 407,933.56, 562,939.80 and 226,634.86

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Solution

The fourth proportional to 407,933.56, 562,939.80 and 226,634.86 is: 312,751.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,933.56 : 562,939.80 = 226,634.86 : x
  2. Step 2: Convert to fraction form
    407,933.56/562,939.80 = 226,634.86/x
  3. Step 3: Cross multiply
    407,933.56x = 562,939.80 × 226,634.86
  4. Step 4: Simplify right side
    407,933.56x = 127,581,782,761.43
  5. Step 5: Solve for x
    x = 127,581,782,761.43/407,933.56
  6. Step 6: Final answer
    x = 312,751.38

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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.