Finding the Fourth Proportional to 1,409,594.81, 1,944,506.05 and 865,853.15
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Solution
The fourth proportional to 1,409,594.81, 1,944,506.05 and 865,853.15 is: 1,194,425.99
Step by Step Solution
- Step 1: Write the proportion equation
1,409,594.81 : 1,944,506.05 = 865,853.15 : x - Step 2: Convert to fraction form
1,409,594.81/1,944,506.05 = 865,853.15/x - Step 3: Cross multiply
1,409,594.81x = 1,944,506.05 × 865,853.15 - Step 4: Simplify right side
1,409,594.81x = 1,683,656,676,699.39 - Step 5: Solve for x
x = 1,683,656,676,699.39/1,409,594.81 - Step 6: Final answer
x = 1,194,425.99
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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.