Finding the Fourth Proportional to 1,251,529.18, 1,726,621.82 and 816,457.99
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Solution
The fourth proportional to 1,251,529.18, 1,726,621.82 and 816,457.99 is: 1,126,393.38
Step by Step Solution
- Step 1: Write the proportion equation
1,251,529.18 : 1,726,621.82 = 816,457.99 : x - Step 2: Convert to fraction form
1,251,529.18/1,726,621.82 = 816,457.99/x - Step 3: Cross multiply
1,251,529.18x = 1,726,621.82 × 816,457.99 - Step 4: Simplify right side
1,251,529.18x = 1,409,714,180,647.34 - Step 5: Solve for x
x = 1,409,714,180,647.34/1,251,529.18 - Step 6: Final answer
x = 1,126,393.38
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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.