Finding the Fourth Proportional to 1,357,794.24, 2,036,789.76 and 411,238.76
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Solution
The fourth proportional to 1,357,794.24, 2,036,789.76 and 411,238.76 is: 616,887.94
Step by Step Solution
- Step 1: Write the proportion equation
1,357,794.24 : 2,036,789.76 = 411,238.76 : x - Step 2: Convert to fraction form
1,357,794.24/2,036,789.76 = 411,238.76/x - Step 3: Cross multiply
1,357,794.24x = 2,036,789.76 × 411,238.76 - Step 4: Simplify right side
1,357,794.24x = 837,606,895,283.10 - Step 5: Solve for x
x = 837,606,895,283.10/1,357,794.24 - Step 6: Final answer
x = 616,887.94
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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.