Finding the Fourth Proportional to 1,761,278.12, 2,430,573.12 and 986,910.60
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Solution
The fourth proportional to 1,761,278.12, 2,430,573.12 and 986,910.60 is: 1,361,941.85
Step by Step Solution
- Step 1: Write the proportion equation
1,761,278.12 : 2,430,573.12 = 986,910.60 : x - Step 2: Convert to fraction form
1,761,278.12/2,430,573.12 = 986,910.60/x - Step 3: Cross multiply
1,761,278.12x = 2,430,573.12 × 986,910.60 - Step 4: Simplify right side
1,761,278.12x = 2,398,758,376,203.07 - Step 5: Solve for x
x = 2,398,758,376,203.07/1,761,278.12 - Step 6: Final answer
x = 1,361,941.85
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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.