Home / 1,072,968.73-1,609,203.40-399,367.26

Finding the Fourth Proportional to 1,072,968.73, 1,609,203.40 and 399,367.26

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Solution

The fourth proportional to 1,072,968.73, 1,609,203.40 and 399,367.26 is: 598,957.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,072,968.73 : 1,609,203.40 = 399,367.26 : x
  2. Step 2: Convert to fraction form
    1,072,968.73/1,609,203.40 = 399,367.26/x
  3. Step 3: Cross multiply
    1,072,968.73x = 1,609,203.40 × 399,367.26
  4. Step 4: Simplify right side
    1,072,968.73x = 642,663,152,640.68
  5. Step 5: Solve for x
    x = 642,663,152,640.68/1,072,968.73
  6. Step 6: Final answer
    x = 598,957.95

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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.