Finding the Fourth Proportional to 1,649,005.53, 2,275,572.62 and 913,928.49
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Solution
The fourth proportional to 1,649,005.53, 2,275,572.62 and 913,928.49 is: 1,261,190.82
Step by Step Solution
- Step 1: Write the proportion equation
1,649,005.53 : 2,275,572.62 = 913,928.49 : x - Step 2: Convert to fraction form
1,649,005.53/2,275,572.62 = 913,928.49/x - Step 3: Cross multiply
1,649,005.53x = 2,275,572.62 × 913,928.49 - Step 4: Simplify right side
1,649,005.53x = 2,079,710,632,534.44 - Step 5: Solve for x
x = 2,079,710,632,534.44/1,649,005.53 - Step 6: Final answer
x = 1,261,190.82
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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.