Finding the Fourth Proportional to 1,517,766.61, 2,094,518.67 and 838,703.11
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Solution
The fourth proportional to 1,517,766.61, 2,094,518.67 and 838,703.11 is: 1,157,410.71
Step by Step Solution
- Step 1: Write the proportion equation
1,517,766.61 : 2,094,518.67 = 838,703.11 : x - Step 2: Convert to fraction form
1,517,766.61/2,094,518.67 = 838,703.11/x - Step 3: Cross multiply
1,517,766.61x = 2,094,518.67 × 838,703.11 - Step 4: Simplify right side
1,517,766.61x = 1,756,679,322,482.06 - Step 5: Solve for x
x = 1,756,679,322,482.06/1,517,766.61 - Step 6: Final answer
x = 1,157,410.71
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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.