Finding the Fourth Proportional to 1,191,315.94, 1,785,968.26 and 516,888.88
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Solution
The fourth proportional to 1,191,315.94, 1,785,968.26 and 516,888.88 is: 774,896.99
Step by Step Solution
- Step 1: Write the proportion equation
1,191,315.94 : 1,785,968.26 = 516,888.88 : x - Step 2: Convert to fraction form
1,191,315.94/1,785,968.26 = 516,888.88/x - Step 3: Cross multiply
1,191,315.94x = 1,785,968.26 × 516,888.88 - Step 4: Simplify right side
1,191,315.94x = 923,147,133,626.95 - Step 5: Solve for x
x = 923,147,133,626.95/1,191,315.94 - Step 6: Final answer
x = 774,896.99
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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.