Home / 603,391.40-905,087.10-182,688.20

Finding the Fourth Proportional to 603,391.40, 905,087.10 and 182,688.20

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Solution

The fourth proportional to 603,391.40, 905,087.10 and 182,688.20 is: 274,032.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,391.40 : 905,087.10 = 182,688.20 : x
  2. Step 2: Convert to fraction form
    603,391.40/905,087.10 = 182,688.20/x
  3. Step 3: Cross multiply
    603,391.40x = 905,087.10 × 182,688.20
  4. Step 4: Simplify right side
    603,391.40x = 165,348,733,142.22
  5. Step 5: Solve for x
    x = 165,348,733,142.22/603,391.40
  6. Step 6: Final answer
    x = 274,032.30

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.