Home / 744,891.54-1,027,946.43-405,362.22

Finding the Fourth Proportional to 744,891.54, 1,027,946.43 and 405,362.22

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Solution

The fourth proportional to 744,891.54, 1,027,946.43 and 405,362.22 is: 559,397.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,891.54 : 1,027,946.43 = 405,362.22 : x
  2. Step 2: Convert to fraction form
    744,891.54/1,027,946.43 = 405,362.22/x
  3. Step 3: Cross multiply
    744,891.54x = 1,027,946.43 × 405,362.22
  4. Step 4: Simplify right side
    744,891.54x = 416,690,646,905.88
  5. Step 5: Solve for x
    x = 416,690,646,905.88/744,891.54
  6. Step 6: Final answer
    x = 559,397.74

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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.