Home / 1,665,951.26-2,498,926.92-403,778.89

Finding the Fourth Proportional to 1,665,951.26, 2,498,926.92 and 403,778.89

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Solution

The fourth proportional to 1,665,951.26, 2,498,926.92 and 403,778.89 is: 605,668.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,665,951.26 : 2,498,926.92 = 403,778.89 : x
  2. Step 2: Convert to fraction form
    1,665,951.26/2,498,926.92 = 403,778.89/x
  3. Step 3: Cross multiply
    1,665,951.26x = 2,498,926.92 × 403,778.89
  4. Step 4: Simplify right side
    1,665,951.26x = 1,009,013,930,719.28
  5. Step 5: Solve for x
    x = 1,009,013,930,719.28/1,665,951.26
  6. Step 6: Final answer
    x = 605,668.34

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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.