Finding the Fourth Proportional to 823,973.04, 1,235,648.52 and 380,430
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Solution
The fourth proportional to 823,973.04, 1,235,648.52 and 380,430 is: 570,501.39
Step by Step Solution
- Step 1: Write the proportion equation
823,973.04 : 1,235,648.52 = 380,430 : x - Step 2: Convert to fraction form
823,973.04/1,235,648.52 = 380,430/x - Step 3: Cross multiply
823,973.04x = 1,235,648.52 × 380,430 - Step 4: Simplify right side
823,973.04x = 470,077,766,463.60 - Step 5: Solve for x
x = 470,077,766,463.60/823,973.04 - Step 6: Final answer
x = 570,501.39
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.