Home / 405,623.51-559,932.79-252,737.23

Finding the Fourth Proportional to 405,623.51, 559,932.79 and 252,737.23

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Solution

The fourth proportional to 405,623.51, 559,932.79 and 252,737.23 is: 348,884.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,623.51 : 559,932.79 = 252,737.23 : x
  2. Step 2: Convert to fraction form
    405,623.51/559,932.79 = 252,737.23/x
  3. Step 3: Cross multiply
    405,623.51x = 559,932.79 × 252,737.23
  4. Step 4: Simplify right side
    405,623.51x = 141,515,865,698.14
  5. Step 5: Solve for x
    x = 141,515,865,698.14/405,623.51
  6. Step 6: Final answer
    x = 348,884.78

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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.