Finding the Fourth Proportional to 1,190,206.38, 1,785,571.98 and 391,455.66
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Solution
The fourth proportional to 1,190,206.38, 1,785,571.98 and 391,455.66 is: 587,269.80
Step by Step Solution
- Step 1: Write the proportion equation
1,190,206.38 : 1,785,571.98 = 391,455.66 : x - Step 2: Convert to fraction form
1,190,206.38/1,785,571.98 = 391,455.66/x - Step 3: Cross multiply
1,190,206.38x = 1,785,571.98 × 391,455.66 - Step 4: Simplify right side
1,190,206.38x = 698,972,257,908.41 - Step 5: Solve for x
x = 698,972,257,908.41/1,190,206.38 - Step 6: Final answer
x = 587,269.80
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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.