Home / 405,824.25-560,039.39-226,976.25

Finding the Fourth Proportional to 405,824.25, 560,039.39 and 226,976.25

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Solution

The fourth proportional to 405,824.25, 560,039.39 and 226,976.25 is: 313,228.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,824.25 : 560,039.39 = 226,976.25 : x
  2. Step 2: Convert to fraction form
    405,824.25/560,039.39 = 226,976.25/x
  3. Step 3: Cross multiply
    405,824.25x = 560,039.39 × 226,976.25
  4. Step 4: Simplify right side
    405,824.25x = 127,115,639,459.61
  5. Step 5: Solve for x
    x = 127,115,639,459.61/405,824.25
  6. Step 6: Final answer
    x = 313,228.30

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1.5x scale

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.