Finding the Fourth Proportional to 1,644,220.36, 2,269,312.85 and 956,105.11
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Solution
The fourth proportional to 1,644,220.36, 2,269,312.85 and 956,105.11 is: 1,319,592.95
Step by Step Solution
- Step 1: Write the proportion equation
1,644,220.36 : 2,269,312.85 = 956,105.11 : x - Step 2: Convert to fraction form
1,644,220.36/2,269,312.85 = 956,105.11/x - Step 3: Cross multiply
1,644,220.36x = 2,269,312.85 × 956,105.11 - Step 4: Simplify right side
1,644,220.36x = 2,169,701,595,946.57 - Step 5: Solve for x
x = 2,169,701,595,946.57/1,644,220.36 - Step 6: Final answer
x = 1,319,592.95
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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.