Home / 2,778,789.06-4,167,600.39-783,778.50

Finding the Fourth Proportional to 2,778,789.06, 4,167,600.39 and 783,778.50

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Solution

The fourth proportional to 2,778,789.06, 4,167,600.39 and 783,778.50 is: 1,175,503.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,778,789.06 : 4,167,600.39 = 783,778.50 : x
  2. Step 2: Convert to fraction form
    2,778,789.06/4,167,600.39 = 783,778.50/x
  3. Step 3: Cross multiply
    2,778,789.06x = 4,167,600.39 × 783,778.50
  4. Step 4: Simplify right side
    2,778,789.06x = 3,266,475,582,273.62
  5. Step 5: Solve for x
    x = 3,266,475,582,273.62/2,778,789.06
  6. Step 6: Final answer
    x = 1,175,503.25

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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.