Finding the Fourth Proportional to 1,104,740.81, 1,524,527.64 and 621,305.94
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Solution
The fourth proportional to 1,104,740.81, 1,524,527.64 and 621,305.94 is: 857,393.94
Step by Step Solution
- Step 1: Write the proportion equation
1,104,740.81 : 1,524,527.64 = 621,305.94 : x - Step 2: Convert to fraction form
1,104,740.81/1,524,527.64 = 621,305.94/x - Step 3: Cross multiply
1,104,740.81x = 1,524,527.64 × 621,305.94 - Step 4: Simplify right side
1,104,740.81x = 947,198,078,426.18 - Step 5: Solve for x
x = 947,198,078,426.18/1,104,740.81 - Step 6: Final answer
x = 857,393.94
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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.