Home / 405,791.07-560,171.04-242,505.19

Finding the Fourth Proportional to 405,791.07, 560,171.04 and 242,505.19

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Solution

The fourth proportional to 405,791.07, 560,171.04 and 242,505.19 is: 334,764.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,791.07 : 560,171.04 = 242,505.19 : x
  2. Step 2: Convert to fraction form
    405,791.07/560,171.04 = 242,505.19/x
  3. Step 3: Cross multiply
    405,791.07x = 560,171.04 × 242,505.19
  4. Step 4: Simplify right side
    405,791.07x = 135,844,385,642.61
  5. Step 5: Solve for x
    x = 135,844,385,642.61/405,791.07
  6. Step 6: Final answer
    x = 334,764.36

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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.