Finding the Fourth Proportional to 1,692,338.19, 2,335,487.37 and 928,414.23
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Solution
The fourth proportional to 1,692,338.19, 2,335,487.37 and 928,414.23 is: 1,281,244.92
Step by Step Solution
- Step 1: Write the proportion equation
1,692,338.19 : 2,335,487.37 = 928,414.23 : x - Step 2: Convert to fraction form
1,692,338.19/2,335,487.37 = 928,414.23/x - Step 3: Cross multiply
1,692,338.19x = 2,335,487.37 × 928,414.23 - Step 4: Simplify right side
1,692,338.19x = 2,168,299,708,293.28 - Step 5: Solve for x
x = 2,168,299,708,293.28/1,692,338.19 - Step 6: Final answer
x = 1,281,244.92
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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.