Finding the Fourth Proportional to 1,186,108.56, 1,778,895.99 and 545,798.07
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Solution
The fourth proportional to 1,186,108.56, 1,778,895.99 and 545,798.07 is: 818,574.31
Step by Step Solution
- Step 1: Write the proportion equation
1,186,108.56 : 1,778,895.99 = 545,798.07 : x - Step 2: Convert to fraction form
1,186,108.56/1,778,895.99 = 545,798.07/x - Step 3: Cross multiply
1,186,108.56x = 1,778,895.99 × 545,798.07 - Step 4: Simplify right side
1,186,108.56x = 970,917,998,072.74 - Step 5: Solve for x
x = 970,917,998,072.74/1,186,108.56 - Step 6: Final answer
x = 818,574.31
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.