Finding the Fourth Proportional to 1,693,647.76, 2,337,236.27 and 919,278.77
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Solution
The fourth proportional to 1,693,647.76, 2,337,236.27 and 919,278.77 is: 1,268,605.99
Step by Step Solution
- Step 1: Write the proportion equation
1,693,647.76 : 2,337,236.27 = 919,278.77 : x - Step 2: Convert to fraction form
1,693,647.76/2,337,236.27 = 919,278.77/x - Step 3: Cross multiply
1,693,647.76x = 2,337,236.27 × 919,278.77 - Step 4: Simplify right side
1,693,647.76x = 2,148,571,683,796.66 - Step 5: Solve for x
x = 2,148,571,683,796.66/1,693,647.76 - Step 6: Final answer
x = 1,268,605.99
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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.