Finding the Fourth Proportional to 1,175,724.84, 1,624,138.18 and 1,132,029.48
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Solution
The fourth proportional to 1,175,724.84, 1,624,138.18 and 1,132,029.48 is: 1,563,777.71
Step by Step Solution
- Step 1: Write the proportion equation
1,175,724.84 : 1,624,138.18 = 1,132,029.48 : x - Step 2: Convert to fraction form
1,175,724.84/1,624,138.18 = 1,132,029.48/x - Step 3: Cross multiply
1,175,724.84x = 1,624,138.18 × 1,132,029.48 - Step 4: Simplify right side
1,175,724.84x = 1,838,572,299,353.55 - Step 5: Solve for x
x = 1,838,572,299,353.55/1,175,724.84 - Step 6: Final answer
x = 1,563,777.71
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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.