Finding the Fourth Proportional to 1,284,949.08, 1,928,295.45 and 686,340.18
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Solution
The fourth proportional to 1,284,949.08, 1,928,295.45 and 686,340.18 is: 1,029,975.95
Step by Step Solution
- Step 1: Write the proportion equation
1,284,949.08 : 1,928,295.45 = 686,340.18 : x - Step 2: Convert to fraction form
1,284,949.08/1,928,295.45 = 686,340.18/x - Step 3: Cross multiply
1,284,949.08x = 1,928,295.45 × 686,340.18 - Step 4: Simplify right side
1,284,949.08x = 1,323,466,646,246.18 - Step 5: Solve for x
x = 1,323,466,646,246.18/1,284,949.08 - Step 6: Final answer
x = 1,029,975.95
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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.