Finding the Fourth Proportional to 1,152,457.38, 1,590,397.11 and 636,202.08
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Solution
The fourth proportional to 1,152,457.38, 1,590,397.11 and 636,202.08 is: 877,962.14
Step by Step Solution
- Step 1: Write the proportion equation
1,152,457.38 : 1,590,397.11 = 636,202.08 : x - Step 2: Convert to fraction form
1,152,457.38/1,590,397.11 = 636,202.08/x - Step 3: Cross multiply
1,152,457.38x = 1,590,397.11 × 636,202.08 - Step 4: Simplify right side
1,152,457.38x = 1,011,813,949,407.99 - Step 5: Solve for x
x = 1,011,813,949,407.99/1,152,457.38 - Step 6: Final answer
x = 877,962.14
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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.