Finding the Fourth Proportional to 1,193,420.66, 1,646,927.36 and 649,555.15
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Solution
The fourth proportional to 1,193,420.66, 1,646,927.36 and 649,555.15 is: 896,389.83
Step by Step Solution
- Step 1: Write the proportion equation
1,193,420.66 : 1,646,927.36 = 649,555.15 : x - Step 2: Convert to fraction form
1,193,420.66/1,646,927.36 = 649,555.15/x - Step 3: Cross multiply
1,193,420.66x = 1,646,927.36 × 649,555.15 - Step 4: Simplify right side
1,193,420.66x = 1,069,770,139,028.01 - Step 5: Solve for x
x = 1,069,770,139,028.01/1,193,420.66 - Step 6: Final answer
x = 896,389.83
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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.