Finding the Fourth Proportional to 1,679,634.12, 2,317,929.84 and 944,602.44
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Solution
The fourth proportional to 1,679,634.12, 2,317,929.84 and 944,602.44 is: 1,303,570.91
Step by Step Solution
- Step 1: Write the proportion equation
1,679,634.12 : 2,317,929.84 = 944,602.44 : x - Step 2: Convert to fraction form
1,679,634.12/2,317,929.84 = 944,602.44/x - Step 3: Cross multiply
1,679,634.12x = 2,317,929.84 × 944,602.44 - Step 4: Simplify right side
1,679,634.12x = 2,189,522,182,612.81 - Step 5: Solve for x
x = 2,189,522,182,612.81/1,679,634.12 - Step 6: Final answer
x = 1,303,570.91
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1.5x scale
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.