Home / 397,516.33-548,586.03-227,783.26

Finding the Fourth Proportional to 397,516.33, 548,586.03 and 227,783.26

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Solution

The fourth proportional to 397,516.33, 548,586.03 and 227,783.26 is: 314,348.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,516.33 : 548,586.03 = 227,783.26 : x
  2. Step 2: Convert to fraction form
    397,516.33/548,586.03 = 227,783.26/x
  3. Step 3: Cross multiply
    397,516.33x = 548,586.03 × 227,783.26
  4. Step 4: Simplify right side
    397,516.33x = 124,958,714,303.86
  5. Step 5: Solve for x
    x = 124,958,714,303.86/397,516.33
  6. Step 6: Final answer
    x = 314,348.63

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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.