Finding the Fourth Proportional to 1,274,533.59, 1,757,960.41 and 838,812.09
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Solution
The fourth proportional to 1,274,533.59, 1,757,960.41 and 838,812.09 is: 1,156,971.03
Step by Step Solution
- Step 1: Write the proportion equation
1,274,533.59 : 1,757,960.41 = 838,812.09 : x - Step 2: Convert to fraction form
1,274,533.59/1,757,960.41 = 838,812.09/x - Step 3: Cross multiply
1,274,533.59x = 1,757,960.41 × 838,812.09 - Step 4: Simplify right side
1,274,533.59x = 1,474,598,445,649.36 - Step 5: Solve for x
x = 1,474,598,445,649.36/1,274,533.59 - Step 6: Final answer
x = 1,156,971.03
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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.