Finding the Fourth Proportional to 1,287,043.16, 1,930,240.85 and 529,095.99
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Solution
The fourth proportional to 1,287,043.16, 1,930,240.85 and 529,095.99 is: 793,510.83
Step by Step Solution
- Step 1: Write the proportion equation
1,287,043.16 : 1,930,240.85 = 529,095.99 : x - Step 2: Convert to fraction form
1,287,043.16/1,930,240.85 = 529,095.99/x - Step 3: Cross multiply
1,287,043.16x = 1,930,240.85 × 529,095.99 - Step 4: Simplify right side
1,287,043.16x = 1,021,282,690,823.71 - Step 5: Solve for x
x = 1,021,282,690,823.71/1,287,043.16 - Step 6: Final answer
x = 793,510.83
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.