Finding the Fourth Proportional to 1,346,202.87, 1,858,445.55 and 1,039,590.87
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Solution
The fourth proportional to 1,346,202.87, 1,858,445.55 and 1,039,590.87 is: 1,435,164.84
Step by Step Solution
- Step 1: Write the proportion equation
1,346,202.87 : 1,858,445.55 = 1,039,590.87 : x - Step 2: Convert to fraction form
1,346,202.87/1,858,445.55 = 1,039,590.87/x - Step 3: Cross multiply
1,346,202.87x = 1,858,445.55 × 1,039,590.87 - Step 4: Simplify right side
1,346,202.87x = 1,932,023,026,172.13 - Step 5: Solve for x
x = 1,932,023,026,172.13/1,346,202.87 - Step 6: Final answer
x = 1,435,164.84
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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.