Finding the Fourth Proportional to 1,392,396.01, 1,921,907.26 and 841,024.10
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Solution
The fourth proportional to 1,392,396.01, 1,921,907.26 and 841,024.10 is: 1,160,855.32
Step by Step Solution
- Step 1: Write the proportion equation
1,392,396.01 : 1,921,907.26 = 841,024.10 : x - Step 2: Convert to fraction form
1,392,396.01/1,921,907.26 = 841,024.10/x - Step 3: Cross multiply
1,392,396.01x = 1,921,907.26 × 841,024.10 - Step 4: Simplify right side
1,392,396.01x = 1,616,370,319,419.85 - Step 5: Solve for x
x = 1,616,370,319,419.85/1,392,396.01 - Step 6: Final answer
x = 1,160,855.32
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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.