Finding the Fourth Proportional to 1,685,525.63, 2,326,025.36 and 921,579.19
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Solution
The fourth proportional to 1,685,525.63, 2,326,025.36 and 921,579.19 is: 1,271,779.28
Step by Step Solution
- Step 1: Write the proportion equation
1,685,525.63 : 2,326,025.36 = 921,579.19 : x - Step 2: Convert to fraction form
1,685,525.63/2,326,025.36 = 921,579.19/x - Step 3: Cross multiply
1,685,525.63x = 2,326,025.36 × 921,579.19 - Step 4: Simplify right side
1,685,525.63x = 2,143,616,563,677.14 - Step 5: Solve for x
x = 2,143,616,563,677.14/1,685,525.63 - Step 6: Final answer
x = 1,271,779.28
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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.