Finding the Fourth Proportional to 1,121,233.74, 1,547,279.55 and 611,935.98
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Solution
The fourth proportional to 1,121,233.74, 1,547,279.55 and 611,935.98 is: 844,459.09
Step by Step Solution
- Step 1: Write the proportion equation
1,121,233.74 : 1,547,279.55 = 611,935.98 : x - Step 2: Convert to fraction form
1,121,233.74/1,547,279.55 = 611,935.98/x - Step 3: Cross multiply
1,121,233.74x = 1,547,279.55 × 611,935.98 - Step 4: Simplify right side
1,121,233.74x = 946,836,027,763.21 - Step 5: Solve for x
x = 946,836,027,763.21/1,121,233.74 - Step 6: Final answer
x = 844,459.09
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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.