Finding the Fourth Proportional to 1,175,723.84, 1,624,136.80 and 1,132,028.48
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Solution
The fourth proportional to 1,175,723.84, 1,624,136.80 and 1,132,028.48 is: 1,563,776.33
Step by Step Solution
- Step 1: Write the proportion equation
1,175,723.84 : 1,624,136.80 = 1,132,028.48 : x - Step 2: Convert to fraction form
1,175,723.84/1,624,136.80 = 1,132,028.48/x - Step 3: Cross multiply
1,175,723.84x = 1,624,136.80 × 1,132,028.48 - Step 4: Simplify right side
1,175,723.84x = 1,838,569,113,016.06 - Step 5: Solve for x
x = 1,838,569,113,016.06/1,175,723.84 - Step 6: Final answer
x = 1,563,776.33
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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.