Finding the Fourth Proportional to 886,445.68, 1,231,553.51 and 875,816.84
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Solution
The fourth proportional to 886,445.68, 1,231,553.51 and 875,816.84 is: 1,216,786.69
Step by Step Solution
- Step 1: Write the proportion equation
886,445.68 : 1,231,553.51 = 875,816.84 : x - Step 2: Convert to fraction form
886,445.68/1,231,553.51 = 875,816.84/x - Step 3: Cross multiply
886,445.68x = 1,231,553.51 × 875,816.84 - Step 4: Simplify right side
886,445.68x = 1,078,615,303,419.11 - Step 5: Solve for x
x = 1,078,615,303,419.11/886,445.68 - Step 6: Final answer
x = 1,216,786.69
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Why These Related Problems?
These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.