Finding the Fourth Proportional to 1,857,777, 2,787,133.68 and 528,081
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Solution
The fourth proportional to 1,857,777, 2,787,133.68 and 528,081 is: 792,254.58
Step by Step Solution
- Step 1: Write the proportion equation
1,857,777 : 2,787,133.68 = 528,081 : x - Step 2: Convert to fraction form
1,857,777/2,787,133.68 = 528,081/x - Step 3: Cross multiply
1,857,777x = 2,787,133.68 × 528,081 - Step 4: Simplify right side
1,857,777x = 1,471,832,340,868.08 - Step 5: Solve for x
x = 1,471,832,340,868.08/1,857,777 - Step 6: Final answer
x = 792,254.58
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.