Finding the Fourth Proportional to 1,621,811.97, 2,430,356.00 and 779,379.57
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Solution
The fourth proportional to 1,621,811.97, 2,430,356.00 and 779,379.57 is: 1,167,934.29
Step by Step Solution
- Step 1: Write the proportion equation
1,621,811.97 : 2,430,356.00 = 779,379.57 : x - Step 2: Convert to fraction form
1,621,811.97/2,430,356.00 = 779,379.57/x - Step 3: Cross multiply
1,621,811.97x = 2,430,356.00 × 779,379.57 - Step 4: Simplify right side
1,621,811.97x = 1,894,169,810,330.02 - Step 5: Solve for x
x = 1,894,169,810,330.02/1,621,811.97 - Step 6: Final answer
x = 1,167,934.29
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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.