Finding the Fourth Proportional to 1,411,262.99, 1,947,709.86 and 838,305.44
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Solution
The fourth proportional to 1,411,262.99, 1,947,709.86 and 838,305.44 is: 1,156,960.67
Step by Step Solution
- Step 1: Write the proportion equation
1,411,262.99 : 1,947,709.86 = 838,305.44 : x - Step 2: Convert to fraction form
1,411,262.99/1,947,709.86 = 838,305.44/x - Step 3: Cross multiply
1,411,262.99x = 1,947,709.86 × 838,305.44 - Step 4: Simplify right side
1,411,262.99x = 1,632,775,771,179.64 - Step 5: Solve for x
x = 1,632,775,771,179.64/1,411,262.99 - Step 6: Final answer
x = 1,156,960.67
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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.