Finding the Fourth Proportional to 1,517,784.12, 2,094,542.82 and 838,720.62
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Solution
The fourth proportional to 1,517,784.12, 2,094,542.82 and 838,720.62 is: 1,157,434.86
Step by Step Solution
- Step 1: Write the proportion equation
1,517,784.12 : 2,094,542.82 = 838,720.62 : x - Step 2: Convert to fraction form
1,517,784.12/2,094,542.82 = 838,720.62/x - Step 3: Cross multiply
1,517,784.12x = 2,094,542.82 × 838,720.62 - Step 4: Simplify right side
1,517,784.12x = 1,756,736,252,606.95 - Step 5: Solve for x
x = 1,756,736,252,606.95/1,517,784.12 - Step 6: Final answer
x = 1,157,434.86
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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.