Home / 722,748.48-1,084,788.16-368,016

Finding the Fourth Proportional to 722,748.48, 1,084,788.16 and 368,016

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Solution

The fourth proportional to 722,748.48, 1,084,788.16 and 368,016 is: 552,362.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,748.48 : 1,084,788.16 = 368,016 : x
  2. Step 2: Convert to fraction form
    722,748.48/1,084,788.16 = 368,016/x
  3. Step 3: Cross multiply
    722,748.48x = 1,084,788.16 × 368,016
  4. Step 4: Simplify right side
    722,748.48x = 399,219,399,490.56
  5. Step 5: Solve for x
    x = 399,219,399,490.56/722,748.48
  6. Step 6: Final answer
    x = 552,362.84

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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.