Finding the Fourth Proportional to 804,589.05, 1,129,573.95 and 804,589.05
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Solution
The fourth proportional to 804,589.05, 1,129,573.95 and 804,589.05 is: 1,129,573.95
Step by Step Solution
- Step 1: Write the proportion equation
804,589.05 : 1,129,573.95 = 804,589.05 : x - Step 2: Convert to fraction form
804,589.05/1,129,573.95 = 804,589.05/x - Step 3: Cross multiply
804,589.05x = 1,129,573.95 × 804,589.05 - Step 4: Simplify right side
804,589.05x = 908,842,831,335.25 - Step 5: Solve for x
x = 908,842,831,335.25/804,589.05 - Step 6: Final answer
x = 1,129,573.95
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Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.