Home / 374,485.29-517,060.31-231,441.45

Finding the Fourth Proportional to 374,485.29, 517,060.31 and 231,441.45

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Solution

The fourth proportional to 374,485.29, 517,060.31 and 231,441.45 is: 319,556.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,485.29 : 517,060.31 = 231,441.45 : x
  2. Step 2: Convert to fraction form
    374,485.29/517,060.31 = 231,441.45/x
  3. Step 3: Cross multiply
    374,485.29x = 517,060.31 × 231,441.45
  4. Step 4: Simplify right side
    374,485.29x = 119,669,186,726.64
  5. Step 5: Solve for x
    x = 119,669,186,726.64/374,485.29
  6. Step 6: Final answer
    x = 319,556.44

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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.