Finding the Fourth Proportional to 1,149,692.01, 1,586,623.91 and 640,394.61
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Solution
The fourth proportional to 1,149,692.01, 1,586,623.91 and 640,394.61 is: 883,771.82
Step by Step Solution
- Step 1: Write the proportion equation
1,149,692.01 : 1,586,623.91 = 640,394.61 : x - Step 2: Convert to fraction form
1,149,692.01/1,586,623.91 = 640,394.61/x - Step 3: Cross multiply
1,149,692.01x = 1,586,623.91 × 640,394.61 - Step 4: Simplify right side
1,149,692.01x = 1,016,065,400,061.13 - Step 5: Solve for x
x = 1,016,065,400,061.13/1,149,692.01 - Step 6: Final answer
x = 883,771.82
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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.