Finding the Fourth Proportional to 1,066,993.40, 1,472,430.28 and 583,557.08
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Solution
The fourth proportional to 1,066,993.40, 1,472,430.28 and 583,557.08 is: 805,297.50
Step by Step Solution
- Step 1: Write the proportion equation
1,066,993.40 : 1,472,430.28 = 583,557.08 : x - Step 2: Convert to fraction form
1,066,993.40/1,472,430.28 = 583,557.08/x - Step 3: Cross multiply
1,066,993.40x = 1,472,430.28 × 583,557.08 - Step 4: Simplify right side
1,066,993.40x = 859,247,114,700.38 - Step 5: Solve for x
x = 859,247,114,700.38/1,066,993.40 - Step 6: Final answer
x = 805,297.50
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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.