Finding the Fourth Proportional to 1,319,410.94, 1,820,958.60 and 738,855.11
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Solution
The fourth proportional to 1,319,410.94, 1,820,958.60 and 738,855.11 is: 1,019,716.09
Step by Step Solution
- Step 1: Write the proportion equation
1,319,410.94 : 1,820,958.60 = 738,855.11 : x - Step 2: Convert to fraction form
1,319,410.94/1,820,958.60 = 738,855.11/x - Step 3: Cross multiply
1,319,410.94x = 1,820,958.60 × 738,855.11 - Step 4: Simplify right side
1,319,410.94x = 1,345,424,563,014.17 - Step 5: Solve for x
x = 1,345,424,563,014.17/1,319,410.94 - Step 6: Final answer
x = 1,019,716.09
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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.