Finding the Fourth Proportional to 1,090,174.12, 1,503,586.74 and 708,325
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Solution
The fourth proportional to 1,090,174.12, 1,503,586.74 and 708,325 is: 976,933.92
Step by Step Solution
- Step 1: Write the proportion equation
1,090,174.12 : 1,503,586.74 = 708,325 : x - Step 2: Convert to fraction form
1,090,174.12/1,503,586.74 = 708,325/x - Step 3: Cross multiply
1,090,174.12x = 1,503,586.74 × 708,325 - Step 4: Simplify right side
1,090,174.12x = 1,065,028,077,610.50 - Step 5: Solve for x
x = 1,065,028,077,610.50/1,090,174.12 - Step 6: Final answer
x = 976,933.92
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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.