Finding the Fourth Proportional to 1,118,986.84, 1,544,180.90 and 622,301.18
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Solution
The fourth proportional to 1,118,986.84, 1,544,180.90 and 622,301.18 is: 858,763.99
Step by Step Solution
- Step 1: Write the proportion equation
1,118,986.84 : 1,544,180.90 = 622,301.18 : x - Step 2: Convert to fraction form
1,118,986.84/1,544,180.90 = 622,301.18/x - Step 3: Cross multiply
1,118,986.84x = 1,544,180.90 × 622,301.18 - Step 4: Simplify right side
1,118,986.84x = 960,945,601,619.67 - Step 5: Solve for x
x = 960,945,601,619.67/1,118,986.84 - Step 6: Final answer
x = 858,763.99
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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.