Finding the Fourth Proportional to 1,172,727.99, 1,756,225.65 and 1,059,132.48
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Solution
The fourth proportional to 1,172,727.99, 1,756,225.65 and 1,059,132.48 is: 1,586,110.03
Step by Step Solution
- Step 1: Write the proportion equation
1,172,727.99 : 1,756,225.65 = 1,059,132.48 : x - Step 2: Convert to fraction form
1,172,727.99/1,756,225.65 = 1,059,132.48/x - Step 3: Cross multiply
1,172,727.99x = 1,756,225.65 × 1,059,132.48 - Step 4: Simplify right side
1,172,727.99x = 1,860,075,628,124.11 - Step 5: Solve for x
x = 1,860,075,628,124.11/1,172,727.99 - Step 6: Final answer
x = 1,586,110.03
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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.