Finding the Fourth Proportional to 1,287,382.79, 1,776,528.37 and 714,417.95
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Solution
The fourth proportional to 1,287,382.79, 1,776,528.37 and 714,417.95 is: 985,863.54
Step by Step Solution
- Step 1: Write the proportion equation
1,287,382.79 : 1,776,528.37 = 714,417.95 : x - Step 2: Convert to fraction form
1,287,382.79/1,776,528.37 = 714,417.95/x - Step 3: Cross multiply
1,287,382.79x = 1,776,528.37 × 714,417.95 - Step 4: Simplify right side
1,287,382.79x = 1,269,183,756,212.24 - Step 5: Solve for x
x = 1,269,183,756,212.24/1,287,382.79 - Step 6: Final answer
x = 985,863.54
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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.