Home / 727,586.01-1,004,099.76-405,296.33

Finding the Fourth Proportional to 727,586.01, 1,004,099.76 and 405,296.33

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Solution

The fourth proportional to 727,586.01, 1,004,099.76 and 405,296.33 is: 559,326.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,586.01 : 1,004,099.76 = 405,296.33 : x
  2. Step 2: Convert to fraction form
    727,586.01/1,004,099.76 = 405,296.33/x
  3. Step 3: Cross multiply
    727,586.01x = 1,004,099.76 × 405,296.33
  4. Step 4: Simplify right side
    727,586.01x = 406,957,942,661.38
  5. Step 5: Solve for x
    x = 406,957,942,661.38/727,586.01
  6. Step 6: Final answer
    x = 559,326.23

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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.