Finding the Fourth Proportional to 1,168,482.99, 1,742,415.38 and 1,126,853.45
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Solution
The fourth proportional to 1,168,482.99, 1,742,415.38 and 1,126,853.45 is: 1,680,338.34
Step by Step Solution
- Step 1: Write the proportion equation
1,168,482.99 : 1,742,415.38 = 1,126,853.45 : x - Step 2: Convert to fraction form
1,168,482.99/1,742,415.38 = 1,126,853.45/x - Step 3: Cross multiply
1,168,482.99x = 1,742,415.38 × 1,126,853.45 - Step 4: Simplify right side
1,168,482.99x = 1,963,446,767,939.72 - Step 5: Solve for x
x = 1,963,446,767,939.72/1,168,482.99 - Step 6: Final answer
x = 1,680,338.34
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.