Home / 482,947.31-666,433.94-268,070.46

Finding the Fourth Proportional to 482,947.31, 666,433.94 and 268,070.46

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Solution

The fourth proportional to 482,947.31, 666,433.94 and 268,070.46 is: 369,918.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,947.31 : 666,433.94 = 268,070.46 : x
  2. Step 2: Convert to fraction form
    482,947.31/666,433.94 = 268,070.46/x
  3. Step 3: Cross multiply
    482,947.31x = 666,433.94 × 268,070.46
  4. Step 4: Simplify right side
    482,947.31x = 178,651,251,515.06
  5. Step 5: Solve for x
    x = 178,651,251,515.06/482,947.31
  6. Step 6: Final answer
    x = 369,918.73

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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.