Home / 457,416.80-631,218.13-263,832.45

Finding the Fourth Proportional to 457,416.80, 631,218.13 and 263,832.45

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Solution

The fourth proportional to 457,416.80, 631,218.13 and 263,832.45 is: 364,078.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,416.80 : 631,218.13 = 263,832.45 : x
  2. Step 2: Convert to fraction form
    457,416.80/631,218.13 = 263,832.45/x
  3. Step 3: Cross multiply
    457,416.80x = 631,218.13 × 263,832.45
  4. Step 4: Simplify right side
    457,416.80x = 166,535,823,190.36
  5. Step 5: Solve for x
    x = 166,535,823,190.36/457,416.80
  6. Step 6: Final answer
    x = 364,078.94

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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.