Finding the Fourth Proportional to 1,186,583.01, 1,637,484.61 and 642,718.99
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Solution
The fourth proportional to 1,186,583.01, 1,637,484.61 and 642,718.99 is: 886,952.23
Step by Step Solution
- Step 1: Write the proportion equation
1,186,583.01 : 1,637,484.61 = 642,718.99 : x - Step 2: Convert to fraction form
1,186,583.01/1,637,484.61 = 642,718.99/x - Step 3: Cross multiply
1,186,583.01x = 1,637,484.61 × 642,718.99 - Step 4: Simplify right side
1,186,583.01x = 1,052,442,447,114.05 - Step 5: Solve for x
x = 1,052,442,447,114.05/1,186,583.01 - Step 6: Final answer
x = 886,952.23
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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.