Finding the Fourth Proportional to 1,528,333.80, 2,292,360.12 and 517,340.19
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Solution
The fourth proportional to 1,528,333.80, 2,292,360.12 and 517,340.19 is: 775,962.70
Step by Step Solution
- Step 1: Write the proportion equation
1,528,333.80 : 2,292,360.12 = 517,340.19 : x - Step 2: Convert to fraction form
1,528,333.80/2,292,360.12 = 517,340.19/x - Step 3: Cross multiply
1,528,333.80x = 2,292,360.12 × 517,340.19 - Step 4: Simplify right side
1,528,333.80x = 1,185,930,020,029.22 - Step 5: Solve for x
x = 1,185,930,020,029.22/1,528,333.80 - Step 6: Final answer
x = 775,962.70
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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.