Finding the Fourth Proportional to 1,079,790.76, 1,490,122.47 and 596,368.18
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Solution
The fourth proportional to 1,079,790.76, 1,490,122.47 and 596,368.18 is: 822,994.29
Step by Step Solution
- Step 1: Write the proportion equation
1,079,790.76 : 1,490,122.47 = 596,368.18 : x - Step 2: Convert to fraction form
1,079,790.76/1,490,122.47 = 596,368.18/x - Step 3: Cross multiply
1,079,790.76x = 1,490,122.47 × 596,368.18 - Step 4: Simplify right side
1,079,790.76x = 888,661,625,411.01 - Step 5: Solve for x
x = 888,661,625,411.01/1,079,790.76 - Step 6: Final answer
x = 822,994.29
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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.