Finding the Fourth Proportional to 1,524,302.94, 2,103,386.49 and 879,930.74
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Solution
The fourth proportional to 1,524,302.94, 2,103,386.49 and 879,930.74 is: 1,214,216.92
Step by Step Solution
- Step 1: Write the proportion equation
1,524,302.94 : 2,103,386.49 = 879,930.74 : x - Step 2: Convert to fraction form
1,524,302.94/2,103,386.49 = 879,930.74/x - Step 3: Cross multiply
1,524,302.94x = 2,103,386.49 × 879,930.74 - Step 4: Simplify right side
1,524,302.94x = 1,850,834,420,134.77 - Step 5: Solve for x
x = 1,850,834,420,134.77/1,524,302.94 - Step 6: Final answer
x = 1,214,216.92
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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.