Finding the Fourth Proportional to 1,114,657.08, 1,538,235.81 and 605,363.10
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Solution
The fourth proportional to 1,114,657.08, 1,538,235.81 and 605,363.10 is: 835,405.99
Step by Step Solution
- Step 1: Write the proportion equation
1,114,657.08 : 1,538,235.81 = 605,363.10 : x - Step 2: Convert to fraction form
1,114,657.08/1,538,235.81 = 605,363.10/x - Step 3: Cross multiply
1,114,657.08x = 1,538,235.81 × 605,363.10 - Step 4: Simplify right side
1,114,657.08x = 931,191,198,472.61 - Step 5: Solve for x
x = 931,191,198,472.61/1,114,657.08 - Step 6: Final answer
x = 835,405.99
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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.