Finding the Fourth Proportional to 1,965,776.19, 2,949,373.85 and 686,571.95
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Solution
The fourth proportional to 1,965,776.19, 2,949,373.85 and 686,571.95 is: 1,030,105.74
Step by Step Solution
- Step 1: Write the proportion equation
1,965,776.19 : 2,949,373.85 = 686,571.95 : x - Step 2: Convert to fraction form
1,965,776.19/2,949,373.85 = 686,571.95/x - Step 3: Cross multiply
1,965,776.19x = 2,949,373.85 × 686,571.95 - Step 4: Simplify right side
1,965,776.19x = 2,024,957,337,293.78 - Step 5: Solve for x
x = 2,024,957,337,293.78/1,965,776.19 - Step 6: Final answer
x = 1,030,105.74
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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.