Home / 918,414.96-1,267,427.82-504,969.24

Finding the Fourth Proportional to 918,414.96, 1,267,427.82 and 504,969.24

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Solution

The fourth proportional to 918,414.96, 1,267,427.82 and 504,969.24 is: 696,865.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,414.96 : 1,267,427.82 = 504,969.24 : x
  2. Step 2: Convert to fraction form
    918,414.96/1,267,427.82 = 504,969.24/x
  3. Step 3: Cross multiply
    918,414.96x = 1,267,427.82 × 504,969.24
  4. Step 4: Simplify right side
    918,414.96x = 640,012,063,020.26
  5. Step 5: Solve for x
    x = 640,012,063,020.26/918,414.96
  6. Step 6: Final answer
    x = 696,865.89

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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.