Finding the Fourth Proportional to 1,177,804.80, 1,625,378.40 and 668,515.68
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Solution
The fourth proportional to 1,177,804.80, 1,625,378.40 and 668,515.68 is: 922,556.05
Step by Step Solution
- Step 1: Write the proportion equation
1,177,804.80 : 1,625,378.40 = 668,515.68 : x - Step 2: Convert to fraction form
1,177,804.80/1,625,378.40 = 668,515.68/x - Step 3: Cross multiply
1,177,804.80x = 1,625,378.40 × 668,515.68 - Step 4: Simplify right side
1,177,804.80x = 1,086,590,946,333.31 - Step 5: Solve for x
x = 1,086,590,946,333.31/1,177,804.80 - Step 6: Final answer
x = 922,556.05
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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.