Home / 727,588.82-1,004,103.64-405,299.14

Finding the Fourth Proportional to 727,588.82, 1,004,103.64 and 405,299.14

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Solution

The fourth proportional to 727,588.82, 1,004,103.64 and 405,299.14 is: 559,330.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,588.82 : 1,004,103.64 = 405,299.14 : x
  2. Step 2: Convert to fraction form
    727,588.82/1,004,103.64 = 405,299.14/x
  3. Step 3: Cross multiply
    727,588.82x = 1,004,103.64 × 405,299.14
  4. Step 4: Simplify right side
    727,588.82x = 406,962,339,759.23
  5. Step 5: Solve for x
    x = 406,962,339,759.23/727,588.82
  6. Step 6: Final answer
    x = 559,330.11

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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.