Finding the Fourth Proportional to 1,664,000.61, 2,296,123.32 and 938,805.99
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Solution
The fourth proportional to 1,664,000.61, 2,296,123.32 and 938,805.99 is: 1,295,440.83
Step by Step Solution
- Step 1: Write the proportion equation
1,664,000.61 : 2,296,123.32 = 938,805.99 : x - Step 2: Convert to fraction form
1,664,000.61/2,296,123.32 = 938,805.99/x - Step 3: Cross multiply
1,664,000.61x = 2,296,123.32 × 938,805.99 - Step 4: Simplify right side
1,664,000.61x = 2,155,614,326,594.69 - Step 5: Solve for x
x = 2,155,614,326,594.69/1,664,000.61 - Step 6: Final answer
x = 1,295,440.83
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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.