Finding the Fourth Proportional to 1,284,950.08, 1,928,296.95 and 686,341.18
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Solution
The fourth proportional to 1,284,950.08, 1,928,296.95 and 686,341.18 is: 1,029,977.45
Step by Step Solution
- Step 1: Write the proportion equation
1,284,950.08 : 1,928,296.95 = 686,341.18 : x - Step 2: Convert to fraction form
1,284,950.08/1,928,296.95 = 686,341.18/x - Step 3: Cross multiply
1,284,950.08x = 1,928,296.95 × 686,341.18 - Step 4: Simplify right side
1,284,950.08x = 1,323,469,604,053.40 - Step 5: Solve for x
x = 1,323,469,604,053.40/1,284,950.08 - Step 6: Final answer
x = 1,029,977.45
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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.