Finding the Fourth Proportional to 882,444.96, 1,217,762.64 and 480,036.96
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Solution
The fourth proportional to 882,444.96, 1,217,762.64 and 480,036.96 is: 662,444.80
Step by Step Solution
- Step 1: Write the proportion equation
882,444.96 : 1,217,762.64 = 480,036.96 : x - Step 2: Convert to fraction form
882,444.96/1,217,762.64 = 480,036.96/x - Step 3: Cross multiply
882,444.96x = 1,217,762.64 × 480,036.96 - Step 4: Simplify right side
882,444.96x = 584,571,075,707.17 - Step 5: Solve for x
x = 584,571,075,707.17/882,444.96 - Step 6: Final answer
x = 662,444.80
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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.