Finding the Fourth Proportional to 1,278,766.61, 1,764,572.20 and 705,769.84
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Solution
The fourth proportional to 1,278,766.61, 1,764,572.20 and 705,769.84 is: 973,892.99
Step by Step Solution
- Step 1: Write the proportion equation
1,278,766.61 : 1,764,572.20 = 705,769.84 : x - Step 2: Convert to fraction form
1,278,766.61/1,764,572.20 = 705,769.84/x - Step 3: Cross multiply
1,278,766.61x = 1,764,572.20 × 705,769.84 - Step 4: Simplify right side
1,278,766.61x = 1,245,381,839,262.45 - Step 5: Solve for x
x = 1,245,381,839,262.45/1,278,766.61 - Step 6: Final answer
x = 973,892.99
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.