Finding the Fourth Proportional to 1,207,597.61, 1,811,116.16 and 354,440.18
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Solution
The fourth proportional to 1,207,597.61, 1,811,116.16 and 354,440.18 is: 531,578.01
Step by Step Solution
- Step 1: Write the proportion equation
1,207,597.61 : 1,811,116.16 = 354,440.18 : x - Step 2: Convert to fraction form
1,207,597.61/1,811,116.16 = 354,440.18/x - Step 3: Cross multiply
1,207,597.61x = 1,811,116.16 × 354,440.18 - Step 4: Simplify right side
1,207,597.61x = 641,932,337,909.91 - Step 5: Solve for x
x = 641,932,337,909.91/1,207,597.61 - Step 6: Final answer
x = 531,578.01
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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.