Finding the Fourth Proportional to 1,527,111.63, 2,107,179.36 and 882,406.71
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Solution
The fourth proportional to 1,527,111.63, 2,107,179.36 and 882,406.71 is: 1,217,585.65
Step by Step Solution
- Step 1: Write the proportion equation
1,527,111.63 : 2,107,179.36 = 882,406.71 : x - Step 2: Convert to fraction form
1,527,111.63/2,107,179.36 = 882,406.71/x - Step 3: Cross multiply
1,527,111.63x = 2,107,179.36 × 882,406.71 - Step 4: Simplify right side
1,527,111.63x = 1,859,389,206,437.51 - Step 5: Solve for x
x = 1,859,389,206,437.51/1,527,111.63 - Step 6: Final answer
x = 1,217,585.65
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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.