Finding the Fourth Proportional to 1,623,241.05, 2,240,138.58 and 898,076.95
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Solution
The fourth proportional to 1,623,241.05, 2,240,138.58 and 898,076.95 is: 1,239,382.68
Step by Step Solution
- Step 1: Write the proportion equation
1,623,241.05 : 2,240,138.58 = 898,076.95 : x - Step 2: Convert to fraction form
1,623,241.05/2,240,138.58 = 898,076.95/x - Step 3: Cross multiply
1,623,241.05x = 2,240,138.58 × 898,076.95 - Step 4: Simplify right side
1,623,241.05x = 2,011,816,832,188.06 - Step 5: Solve for x
x = 2,011,816,832,188.06/1,623,241.05 - Step 6: Final answer
x = 1,239,382.68
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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.