Finding the Fourth Proportional to 1,279,093.47, 1,765,137.58 and 706,121.34
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Solution
The fourth proportional to 1,279,093.47, 1,765,137.58 and 706,121.34 is: 974,441.15
Step by Step Solution
- Step 1: Write the proportion equation
1,279,093.47 : 1,765,137.58 = 706,121.34 : x - Step 2: Convert to fraction form
1,279,093.47/1,765,137.58 = 706,121.34/x - Step 3: Cross multiply
1,279,093.47x = 1,765,137.58 × 706,121.34 - Step 4: Simplify right side
1,279,093.47x = 1,246,401,313,273.96 - Step 5: Solve for x
x = 1,246,401,313,273.96/1,279,093.47 - Step 6: Final answer
x = 974,441.15
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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.