Home / 405,827.25-560,043.53-226,979.25

Finding the Fourth Proportional to 405,827.25, 560,043.53 and 226,979.25

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Solution

The fourth proportional to 405,827.25, 560,043.53 and 226,979.25 is: 313,232.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,827.25 : 560,043.53 = 226,979.25 : x
  2. Step 2: Convert to fraction form
    405,827.25/560,043.53 = 226,979.25/x
  3. Step 3: Cross multiply
    405,827.25x = 560,043.53 × 226,979.25
  4. Step 4: Simplify right side
    405,827.25x = 127,118,260,406.75
  5. Step 5: Solve for x
    x = 127,118,260,406.75/405,827.25
  6. Step 6: Final answer
    x = 313,232.44

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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.