Home / 482,890.06-666,418.54-268,033.71

Finding the Fourth Proportional to 482,890.06, 666,418.54 and 268,033.71

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Solution

The fourth proportional to 482,890.06, 666,418.54 and 268,033.71 is: 369,903.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,890.06 : 666,418.54 = 268,033.71 : x
  2. Step 2: Convert to fraction form
    482,890.06/666,418.54 = 268,033.71/x
  3. Step 3: Cross multiply
    482,890.06x = 666,418.54 × 268,033.71
  4. Step 4: Simplify right side
    482,890.06x = 178,622,632,271.93
  5. Step 5: Solve for x
    x = 178,622,632,271.93/482,890.06
  6. Step 6: Final answer
    x = 369,903.31

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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.