Finding the Fourth Proportional to 1,397,298.99, 2,095,945.87 and 437,828.05
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Solution
The fourth proportional to 1,397,298.99, 2,095,945.87 and 437,828.05 is: 656,741.25
Step by Step Solution
- Step 1: Write the proportion equation
1,397,298.99 : 2,095,945.87 = 437,828.05 : x - Step 2: Convert to fraction form
1,397,298.99/2,095,945.87 = 437,828.05/x - Step 3: Cross multiply
1,397,298.99x = 2,095,945.87 × 437,828.05 - Step 4: Simplify right side
1,397,298.99x = 917,663,887,927.79 - Step 5: Solve for x
x = 917,663,887,927.79/1,397,298.99 - Step 6: Final answer
x = 656,741.25
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.