Finding the Fourth Proportional to 1,149,140, 1,723,710 and 361,172
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Solution
The fourth proportional to 1,149,140, 1,723,710 and 361,172 is: 541,758
Step by Step Solution
- Step 1: Write the proportion equation
1,149,140 : 1,723,710 = 361,172 : x - Step 2: Convert to fraction form
1,149,140/1,723,710 = 361,172/x - Step 3: Cross multiply
1,149,140x = 1,723,710 × 361,172 - Step 4: Simplify right side
1,149,140x = 622,555,788,120 - Step 5: Solve for x
x = 622,555,788,120/1,149,140 - Step 6: Final answer
x = 541,758
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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.