Finding the Fourth Proportional to 1,545,383.09, 2,132,756.33 and 857,276.79
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Solution
The fourth proportional to 1,545,383.09, 2,132,756.33 and 857,276.79 is: 1,183,112.79
Step by Step Solution
- Step 1: Write the proportion equation
1,545,383.09 : 2,132,756.33 = 857,276.79 : x - Step 2: Convert to fraction form
1,545,383.09/2,132,756.33 = 857,276.79/x - Step 3: Cross multiply
1,545,383.09x = 2,132,756.33 × 857,276.79 - Step 4: Simplify right side
1,545,383.09x = 1,828,362,496,148.20 - Step 5: Solve for x
x = 1,828,362,496,148.20/1,545,383.09 - Step 6: Final answer
x = 1,183,112.79
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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.