Finding the Fourth Proportional to 743,157.06, 1,114,604.35 and 293,728.56
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Solution
The fourth proportional to 743,157.06, 1,114,604.35 and 293,728.56 is: 440,540.97
Step by Step Solution
- Step 1: Write the proportion equation
743,157.06 : 1,114,604.35 = 293,728.56 : x - Step 2: Convert to fraction form
743,157.06/1,114,604.35 = 293,728.56/x - Step 3: Cross multiply
743,157.06x = 1,114,604.35 × 293,728.56 - Step 4: Simplify right side
743,157.06x = 327,391,130,695.24 - Step 5: Solve for x
x = 327,391,130,695.24/743,157.06 - Step 6: Final answer
x = 440,540.97
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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.