Home / 1,273,463-1,910,194.47-326,833.70

Finding the Fourth Proportional to 1,273,463, 1,910,194.47 and 326,833.70

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Solution

The fourth proportional to 1,273,463, 1,910,194.47 and 326,833.70 is: 490,250.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,273,463 : 1,910,194.47 = 326,833.70 : x
  2. Step 2: Convert to fraction form
    1,273,463/1,910,194.47 = 326,833.70/x
  3. Step 3: Cross multiply
    1,273,463x = 1,910,194.47 × 326,833.70
  4. Step 4: Simplify right side
    1,273,463x = 624,315,926,349.64
  5. Step 5: Solve for x
    x = 624,315,926,349.64/1,273,463
  6. Step 6: Final answer
    x = 490,250.54

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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.