Finding the Fourth Proportional to 1,324,988.08, 1,828,483.92 and 744,212.12
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Solution
The fourth proportional to 1,324,988.08, 1,828,483.92 and 744,212.12 is: 1,027,012.93
Step by Step Solution
- Step 1: Write the proportion equation
1,324,988.08 : 1,828,483.92 = 744,212.12 : x - Step 2: Convert to fraction form
1,324,988.08/1,828,483.92 = 744,212.12/x - Step 3: Cross multiply
1,324,988.08x = 1,828,483.92 × 744,212.12 - Step 4: Simplify right side
1,324,988.08x = 1,360,779,894,489.11 - Step 5: Solve for x
x = 1,360,779,894,489.11/1,324,988.08 - Step 6: Final answer
x = 1,027,012.93
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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.