Finding the Fourth Proportional to 1,527,261.61, 2,107,634.57 and 838,947.44
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Solution
The fourth proportional to 1,527,261.61, 2,107,634.57 and 838,947.44 is: 1,157,754.91
Step by Step Solution
- Step 1: Write the proportion equation
1,527,261.61 : 2,107,634.57 = 838,947.44 : x - Step 2: Convert to fraction form
1,527,261.61/2,107,634.57 = 838,947.44/x - Step 3: Cross multiply
1,527,261.61x = 2,107,634.57 × 838,947.44 - Step 4: Simplify right side
1,527,261.61x = 1,768,194,621,106.09 - Step 5: Solve for x
x = 1,768,194,621,106.09/1,527,261.61 - Step 6: Final answer
x = 1,157,754.91
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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.