Finding the Fourth Proportional to 1,184,192.36, 1,634,184.30 and 640,326.84
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Solution
The fourth proportional to 1,184,192.36, 1,634,184.30 and 640,326.84 is: 883,650.41
Step by Step Solution
- Step 1: Write the proportion equation
1,184,192.36 : 1,634,184.30 = 640,326.84 : x - Step 2: Convert to fraction form
1,184,192.36/1,634,184.30 = 640,326.84/x - Step 3: Cross multiply
1,184,192.36x = 1,634,184.30 × 640,326.84 - Step 4: Simplify right side
1,184,192.36x = 1,046,412,068,796.61 - Step 5: Solve for x
x = 1,046,412,068,796.61/1,184,192.36 - Step 6: Final answer
x = 883,650.41
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1.5x scale
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.