Finding the Fourth Proportional to 1,127,844.79, 1,556,281.83 and 644,441.26
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Solution
The fourth proportional to 1,127,844.79, 1,556,281.83 and 644,441.26 is: 889,246.67
Step by Step Solution
- Step 1: Write the proportion equation
1,127,844.79 : 1,556,281.83 = 644,441.26 : x - Step 2: Convert to fraction form
1,127,844.79/1,556,281.83 = 644,441.26/x - Step 3: Cross multiply
1,127,844.79x = 1,556,281.83 × 644,441.26 - Step 4: Simplify right side
1,127,844.79x = 1,002,932,223,440.31 - Step 5: Solve for x
x = 1,002,932,223,440.31/1,127,844.79 - Step 6: Final answer
x = 889,246.67
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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.