Finding the Fourth Proportional to 1,511,251.58, 2,084,979.49 and 857,498.93
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Solution
The fourth proportional to 1,511,251.58, 2,084,979.49 and 857,498.93 is: 1,183,037.76
Step by Step Solution
- Step 1: Write the proportion equation
1,511,251.58 : 2,084,979.49 = 857,498.93 : x - Step 2: Convert to fraction form
1,511,251.58/2,084,979.49 = 857,498.93/x - Step 3: Cross multiply
1,511,251.58x = 2,084,979.49 × 857,498.93 - Step 4: Simplify right side
1,511,251.58x = 1,787,867,689,639.08 - Step 5: Solve for x
x = 1,787,867,689,639.08/1,511,251.58 - Step 6: Final answer
x = 1,183,037.76
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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.