Home / 746,546.31-1,119,490.06-213,946.47

Finding the Fourth Proportional to 746,546.31, 1,119,490.06 and 213,946.47

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Solution

The fourth proportional to 746,546.31, 1,119,490.06 and 213,946.47 is: 320,825.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,546.31 : 1,119,490.06 = 213,946.47 : x
  2. Step 2: Convert to fraction form
    746,546.31/1,119,490.06 = 213,946.47/x
  3. Step 3: Cross multiply
    746,546.31x = 1,119,490.06 × 213,946.47
  4. Step 4: Simplify right side
    746,546.31x = 239,510,946,537.09
  5. Step 5: Solve for x
    x = 239,510,946,537.09/746,546.31
  6. Step 6: Final answer
    x = 320,825.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.