Finding the Fourth Proportional to 1,117,443.26, 1,542,042.14 and 608,134.70
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Solution
The fourth proportional to 1,117,443.26, 1,542,042.14 and 608,134.70 is: 839,209.80
Step by Step Solution
- Step 1: Write the proportion equation
1,117,443.26 : 1,542,042.14 = 608,134.70 : x - Step 2: Convert to fraction form
1,117,443.26/1,542,042.14 = 608,134.70/x - Step 3: Cross multiply
1,117,443.26x = 1,542,042.14 × 608,134.70 - Step 4: Simplify right side
1,117,443.26x = 937,769,334,196.26 - Step 5: Solve for x
x = 937,769,334,196.26/1,117,443.26 - Step 6: Final answer
x = 839,209.80
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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.