Finding the Fourth Proportional to 1,517,746.37, 2,094,407.75 and 838,639.13
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Solution
The fourth proportional to 1,517,746.37, 2,094,407.75 and 838,639.13 is: 1,157,276.56
Step by Step Solution
- Step 1: Write the proportion equation
1,517,746.37 : 2,094,407.75 = 838,639.13 : x - Step 2: Convert to fraction form
1,517,746.37/2,094,407.75 = 838,639.13/x - Step 3: Cross multiply
1,517,746.37x = 2,094,407.75 × 838,639.13 - Step 4: Simplify right side
1,517,746.37x = 1,756,452,284,949.82 - Step 5: Solve for x
x = 1,756,452,284,949.82/1,517,746.37 - Step 6: Final answer
x = 1,157,276.56
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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.