Finding the Fourth Proportional to 912,011.13, 1,361,338.11 and 804,276.68
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Solution
The fourth proportional to 912,011.13, 1,361,338.11 and 804,276.68 is: 1,200,525.36
Step by Step Solution
- Step 1: Write the proportion equation
912,011.13 : 1,361,338.11 = 804,276.68 : x - Step 2: Convert to fraction form
912,011.13/1,361,338.11 = 804,276.68/x - Step 3: Cross multiply
912,011.13x = 1,361,338.11 × 804,276.68 - Step 4: Simplify right side
912,011.13x = 1,094,892,488,661.58 - Step 5: Solve for x
x = 1,094,892,488,661.58/912,011.13 - Step 6: Final answer
x = 1,200,525.36
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.