Finding the Fourth Proportional to 1,410,543.25, 1,946,859.68 and 927,153.40
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Solution
The fourth proportional to 1,410,543.25, 1,946,859.68 and 927,153.40 is: 1,279,675.45
Step by Step Solution
- Step 1: Write the proportion equation
1,410,543.25 : 1,946,859.68 = 927,153.40 : x - Step 2: Convert to fraction form
1,410,543.25/1,946,859.68 = 927,153.40/x - Step 3: Cross multiply
1,410,543.25x = 1,946,859.68 × 927,153.40 - Step 4: Simplify right side
1,410,543.25x = 1,805,037,571,634.91 - Step 5: Solve for x
x = 1,805,037,571,634.91/1,410,543.25 - Step 6: Final answer
x = 1,279,675.45
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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.