Finding the Fourth Proportional to 1,186,022.01, 1,778,187.36 and 554,591.37
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Solution
The fourth proportional to 1,186,022.01, 1,778,187.36 and 554,591.37 is: 831,491.62
Step by Step Solution
- Step 1: Write the proportion equation
1,186,022.01 : 1,778,187.36 = 554,591.37 : x - Step 2: Convert to fraction form
1,186,022.01/1,778,187.36 = 554,591.37/x - Step 3: Cross multiply
1,186,022.01x = 1,778,187.36 × 554,591.37 - Step 4: Simplify right side
1,186,022.01x = 986,167,364,099.08 - Step 5: Solve for x
x = 986,167,364,099.08/1,186,022.01 - Step 6: Final answer
x = 831,491.62
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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.