Finding the Fourth Proportional to 1,187,534.57, 1,781,303.67 and 288,971.00
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Solution
The fourth proportional to 1,187,534.57, 1,781,303.67 and 288,971.00 is: 433,456.94
Step by Step Solution
- Step 1: Write the proportion equation
1,187,534.57 : 1,781,303.67 = 288,971.00 : x - Step 2: Convert to fraction form
1,187,534.57/1,781,303.67 = 288,971.00/x - Step 3: Cross multiply
1,187,534.57x = 1,781,303.67 × 288,971.00 - Step 4: Simplify right side
1,187,534.57x = 514,745,093,917.05 - Step 5: Solve for x
x = 514,745,093,917.05/1,187,534.57 - Step 6: Final answer
x = 433,456.94
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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.