Finding the Fourth Proportional to 1,582,576.95, 2,183,953.26 and 857,443.08
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Solution
The fourth proportional to 1,582,576.95, 2,183,953.26 and 857,443.08 is: 1,183,269.86
Step by Step Solution
- Step 1: Write the proportion equation
1,582,576.95 : 2,183,953.26 = 857,443.08 : x - Step 2: Convert to fraction form
1,582,576.95/2,183,953.26 = 857,443.08/x - Step 3: Cross multiply
1,582,576.95x = 2,183,953.26 × 857,443.08 - Step 4: Simplify right side
1,582,576.95x = 1,872,615,609,830.44 - Step 5: Solve for x
x = 1,872,615,609,830.44/1,582,576.95 - Step 6: Final answer
x = 1,183,269.86
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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.