Finding the Fourth Proportional to 1,118,634.96, 1,543,751.88 and 609,353.68
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Solution
The fourth proportional to 1,118,634.96, 1,543,751.88 and 609,353.68 is: 840,927.49
Step by Step Solution
- Step 1: Write the proportion equation
1,118,634.96 : 1,543,751.88 = 609,353.68 : x - Step 2: Convert to fraction form
1,118,634.96/1,543,751.88 = 609,353.68/x - Step 3: Cross multiply
1,118,634.96x = 1,543,751.88 × 609,353.68 - Step 4: Simplify right side
1,118,634.96x = 940,690,889,084.92 - Step 5: Solve for x
x = 940,690,889,084.92/1,118,634.96 - Step 6: Final answer
x = 840,927.49
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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.