Finding the Fourth Proportional to 1,276,484.06, 1,915,054.14 and 477,777.08
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Solution
The fourth proportional to 1,276,484.06, 1,915,054.14 and 477,777.08 is: 716,788.41
Step by Step Solution
- Step 1: Write the proportion equation
1,276,484.06 : 1,915,054.14 = 477,777.08 : x - Step 2: Convert to fraction form
1,276,484.06/1,915,054.14 = 477,777.08/x - Step 3: Cross multiply
1,276,484.06x = 1,915,054.14 × 477,777.08 - Step 4: Simplify right side
1,276,484.06x = 914,968,981,630.41 - Step 5: Solve for x
x = 914,968,981,630.41/1,276,484.06 - Step 6: Final answer
x = 716,788.41
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.