Finding the Fourth Proportional to 1,328,583.49, 1,832,813.76 and 784,354.68
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Solution
The fourth proportional to 1,328,583.49, 1,832,813.76 and 784,354.68 is: 1,082,036.67
Step by Step Solution
- Step 1: Write the proportion equation
1,328,583.49 : 1,832,813.76 = 784,354.68 : x - Step 2: Convert to fraction form
1,328,583.49/1,832,813.76 = 784,354.68/x - Step 3: Cross multiply
1,328,583.49x = 1,832,813.76 × 784,354.68 - Step 4: Simplify right side
1,328,583.49x = 1,437,576,050,224.40 - Step 5: Solve for x
x = 1,437,576,050,224.40/1,328,583.49 - Step 6: Final answer
x = 1,082,036.67
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.