Finding the Fourth Proportional to 1,195,913.12, 1,657,484.10 and 1,173,518.24
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Solution
The fourth proportional to 1,195,913.12, 1,657,484.10 and 1,173,518.24 is: 1,626,445.76
Step by Step Solution
- Step 1: Write the proportion equation
1,195,913.12 : 1,657,484.10 = 1,173,518.24 : x - Step 2: Convert to fraction form
1,195,913.12/1,657,484.10 = 1,173,518.24/x - Step 3: Cross multiply
1,195,913.12x = 1,657,484.10 × 1,173,518.24 - Step 4: Simplify right side
1,195,913.12x = 1,945,087,823,859.98 - Step 5: Solve for x
x = 1,945,087,823,859.98/1,195,913.12 - Step 6: Final answer
x = 1,626,445.76
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Why These Related Problems?
These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.