Finding the Fourth Proportional to 1,115,835.57, 1,539,854.12 and 606,537.94
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Solution
The fourth proportional to 1,115,835.57, 1,539,854.12 and 606,537.94 is: 837,022.92
Step by Step Solution
- Step 1: Write the proportion equation
1,115,835.57 : 1,539,854.12 = 606,537.94 : x - Step 2: Convert to fraction form
1,115,835.57/1,539,854.12 = 606,537.94/x - Step 3: Cross multiply
1,115,835.57x = 1,539,854.12 × 606,537.94 - Step 4: Simplify right side
1,115,835.57x = 933,979,945,845.31 - Step 5: Solve for x
x = 933,979,945,845.31/1,115,835.57 - Step 6: Final answer
x = 837,022.92
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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.