Finding the Fourth Proportional to 1,097,101.40, 1,514,165.27 and 631,868.99
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Solution
The fourth proportional to 1,097,101.40, 1,514,165.27 and 631,868.99 is: 872,074.43
Step by Step Solution
- Step 1: Write the proportion equation
1,097,101.40 : 1,514,165.27 = 631,868.99 : x - Step 2: Convert to fraction form
1,097,101.40/1,514,165.27 = 631,868.99/x - Step 3: Cross multiply
1,097,101.40x = 1,514,165.27 × 631,868.99 - Step 4: Simplify right side
1,097,101.40x = 956,754,069,117.81 - Step 5: Solve for x
x = 956,754,069,117.81/1,097,101.40 - Step 6: Final answer
x = 872,074.43
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.