Finding the Fourth Proportional to 1,517,764.61, 2,094,515.91 and 838,701.11
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Solution
The fourth proportional to 1,517,764.61, 2,094,515.91 and 838,701.11 is: 1,157,407.94
Step by Step Solution
- Step 1: Write the proportion equation
1,517,764.61 : 2,094,515.91 = 838,701.11 : x - Step 2: Convert to fraction form
1,517,764.61/2,094,515.91 = 838,701.11/x - Step 3: Cross multiply
1,517,764.61x = 2,094,515.91 × 838,701.11 - Step 4: Simplify right side
1,517,764.61x = 1,756,672,808,157.08 - Step 5: Solve for x
x = 1,756,672,808,157.08/1,517,764.61 - Step 6: Final answer
x = 1,157,407.94
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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.