Finding the Fourth Proportional to 1,039,392, 1,434,360.96 and 562,464
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Solution
The fourth proportional to 1,039,392, 1,434,360.96 and 562,464 is: 776,200.32
Step by Step Solution
- Step 1: Write the proportion equation
1,039,392 : 1,434,360.96 = 562,464 : x - Step 2: Convert to fraction form
1,039,392/1,434,360.96 = 562,464/x - Step 3: Cross multiply
1,039,392x = 1,434,360.96 × 562,464 - Step 4: Simplify right side
1,039,392x = 806,776,403,005.44 - Step 5: Solve for x
x = 806,776,403,005.44/1,039,392 - Step 6: Final answer
x = 776,200.32
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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.