Finding the Fourth Proportional to 722,387.28, 996,901.92 and 435,852
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Solution
The fourth proportional to 722,387.28, 996,901.92 and 435,852 is: 601,480.27
Step by Step Solution
- Step 1: Write the proportion equation
722,387.28 : 996,901.92 = 435,852 : x - Step 2: Convert to fraction form
722,387.28/996,901.92 = 435,852/x - Step 3: Cross multiply
722,387.28x = 996,901.92 × 435,852 - Step 4: Simplify right side
722,387.28x = 434,501,695,635.84 - Step 5: Solve for x
x = 434,501,695,635.84/722,387.28 - Step 6: Final answer
x = 601,480.27
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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.