Home / 1,638,179.56-2,457,103.26-439,946.18

Finding the Fourth Proportional to 1,638,179.56, 2,457,103.26 and 439,946.18

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Solution

The fourth proportional to 1,638,179.56, 2,457,103.26 and 439,946.18 is: 659,874.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,638,179.56 : 2,457,103.26 = 439,946.18 : x
  2. Step 2: Convert to fraction form
    1,638,179.56/2,457,103.26 = 439,946.18/x
  3. Step 3: Cross multiply
    1,638,179.56x = 2,457,103.26 × 439,946.18
  4. Step 4: Simplify right side
    1,638,179.56x = 1,080,993,188,381.37
  5. Step 5: Solve for x
    x = 1,080,993,188,381.37/1,638,179.56
  6. Step 6: Final answer
    x = 659,874.67

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Double scale
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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.