Finding the Fourth Proportional to 780,591.61, 1,077,202.38 and 441,052.57
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Solution
The fourth proportional to 780,591.61, 1,077,202.38 and 441,052.57 is: 608,644.61
Step by Step Solution
- Step 1: Write the proportion equation
780,591.61 : 1,077,202.38 = 441,052.57 : x - Step 2: Convert to fraction form
780,591.61/1,077,202.38 = 441,052.57/x - Step 3: Cross multiply
780,591.61x = 1,077,202.38 × 441,052.57 - Step 4: Simplify right side
780,591.61x = 475,102,878,109.12 - Step 5: Solve for x
x = 475,102,878,109.12/780,591.61 - Step 6: Final answer
x = 608,644.61
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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.