Home / 727,422.44-1,003,874.12-405,132.52

Finding the Fourth Proportional to 727,422.44, 1,003,874.12 and 405,132.52

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Solution

The fourth proportional to 727,422.44, 1,003,874.12 and 405,132.52 is: 559,100.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,422.44 : 1,003,874.12 = 405,132.52 : x
  2. Step 2: Convert to fraction form
    727,422.44/1,003,874.12 = 405,132.52/x
  3. Step 3: Cross multiply
    727,422.44x = 1,003,874.12 × 405,132.52
  4. Step 4: Simplify right side
    727,422.44x = 406,702,051,998.38
  5. Step 5: Solve for x
    x = 406,702,051,998.38/727,422.44
  6. Step 6: Final answer
    x = 559,100.23

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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.