Finding the Fourth Proportional to 1,328,811.72, 1,834,326.99 and 893,481.40
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Solution
The fourth proportional to 1,328,811.72, 1,834,326.99 and 893,481.40 is: 1,233,385.45
Step by Step Solution
- Step 1: Write the proportion equation
1,328,811.72 : 1,834,326.99 = 893,481.40 : x - Step 2: Convert to fraction form
1,328,811.72/1,834,326.99 = 893,481.40/x - Step 3: Cross multiply
1,328,811.72x = 1,834,326.99 × 893,481.40 - Step 4: Simplify right side
1,328,811.72x = 1,638,937,047,082.99 - Step 5: Solve for x
x = 1,638,937,047,082.99/1,328,811.72 - Step 6: Final answer
x = 1,233,385.45
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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.