Finding the Fourth Proportional to 1,037,234.48, 1,431,478.04 and 629,440.08
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Solution
The fourth proportional to 1,037,234.48, 1,431,478.04 and 629,440.08 is: 868,684.63
Step by Step Solution
- Step 1: Write the proportion equation
1,037,234.48 : 1,431,478.04 = 629,440.08 : x - Step 2: Convert to fraction form
1,037,234.48/1,431,478.04 = 629,440.08/x - Step 3: Cross multiply
1,037,234.48x = 1,431,478.04 × 629,440.08 - Step 4: Simplify right side
1,037,234.48x = 901,029,648,868.64 - Step 5: Solve for x
x = 901,029,648,868.64/1,037,234.48 - Step 6: Final answer
x = 868,684.63
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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.