Home / 744,996.16-1,028,092.64-405,464.64

Finding the Fourth Proportional to 744,996.16, 1,028,092.64 and 405,464.64

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Solution

The fourth proportional to 744,996.16, 1,028,092.64 and 405,464.64 is: 559,540.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,996.16 : 1,028,092.64 = 405,464.64 : x
  2. Step 2: Convert to fraction form
    744,996.16/1,028,092.64 = 405,464.64/x
  3. Step 3: Cross multiply
    744,996.16x = 1,028,092.64 × 405,464.64
  4. Step 4: Simplify right side
    744,996.16x = 416,855,212,164.25
  5. Step 5: Solve for x
    x = 416,855,212,164.25/744,996.16
  6. Step 6: Final answer
    x = 559,540.08

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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.