Home / 955,745.49-1,432,814.72-639,236.37

Finding the Fourth Proportional to 955,745.49, 1,432,814.72 and 639,236.37

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Solution

The fourth proportional to 955,745.49, 1,432,814.72 and 639,236.37 is: 958,317.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    955,745.49 : 1,432,814.72 = 639,236.37 : x
  2. Step 2: Convert to fraction form
    955,745.49/1,432,814.72 = 639,236.37/x
  3. Step 3: Cross multiply
    955,745.49x = 1,432,814.72 × 639,236.37
  4. Step 4: Simplify right side
    955,745.49x = 915,907,277,299.19
  5. Step 5: Solve for x
    x = 915,907,277,299.19/955,745.49
  6. Step 6: Final answer
    x = 958,317.13

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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.