Finding the Fourth Proportional to 1,517,612.24, 2,094,304.20 and 838,542.80
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Solution
The fourth proportional to 1,517,612.24, 2,094,304.20 and 838,542.80 is: 1,157,188.68
Step by Step Solution
- Step 1: Write the proportion equation
1,517,612.24 : 2,094,304.20 = 838,542.80 : x - Step 2: Convert to fraction form
1,517,612.24/2,094,304.20 = 838,542.80/x - Step 3: Cross multiply
1,517,612.24x = 2,094,304.20 × 838,542.80 - Step 4: Simplify right side
1,517,612.24x = 1,756,163,707,919.76 - Step 5: Solve for x
x = 1,756,163,707,919.76/1,517,612.24 - Step 6: Final answer
x = 1,157,188.68
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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.