Home / 1,244,865.61-1,717,930.79-728,940.97

Finding the Fourth Proportional to 1,244,865.61, 1,717,930.79 and 728,940.97

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Solution

The fourth proportional to 1,244,865.61, 1,717,930.79 and 728,940.97 is: 1,005,948.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,244,865.61 : 1,717,930.79 = 728,940.97 : x
  2. Step 2: Convert to fraction form
    1,244,865.61/1,717,930.79 = 728,940.97/x
  3. Step 3: Cross multiply
    1,244,865.61x = 1,717,930.79 × 728,940.97
  4. Step 4: Simplify right side
    1,244,865.61x = 1,252,270,136,455.47
  5. Step 5: Solve for x
    x = 1,252,270,136,455.47/1,244,865.61
  6. Step 6: Final answer
    x = 1,005,948.05

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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.