Finding the Fourth Proportional to 751,657.44, 1,037,279.52 and 412,125.12
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Solution
The fourth proportional to 751,657.44, 1,037,279.52 and 412,125.12 is: 568,728.42
Step by Step Solution
- Step 1: Write the proportion equation
751,657.44 : 1,037,279.52 = 412,125.12 : x - Step 2: Convert to fraction form
751,657.44/1,037,279.52 = 412,125.12/x - Step 3: Cross multiply
751,657.44x = 1,037,279.52 × 412,125.12 - Step 4: Simplify right side
751,657.44x = 427,488,946,653.54 - Step 5: Solve for x
x = 427,488,946,653.54/751,657.44 - Step 6: Final answer
x = 568,728.42
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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.