Home / 1,086,873.40-1,630,601.70-969,358.60

Finding the Fourth Proportional to 1,086,873.40, 1,630,601.70 and 969,358.60

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Solution

The fourth proportional to 1,086,873.40, 1,630,601.70 and 969,358.60 is: 1,454,297.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,086,873.40 : 1,630,601.70 = 969,358.60 : x
  2. Step 2: Convert to fraction form
    1,086,873.40/1,630,601.70 = 969,358.60/x
  3. Step 3: Cross multiply
    1,086,873.40x = 1,630,601.70 × 969,358.60
  4. Step 4: Simplify right side
    1,086,873.40x = 1,580,637,781,069.62
  5. Step 5: Solve for x
    x = 1,580,637,781,069.62/1,086,873.40
  6. Step 6: Final answer
    x = 1,454,297.97

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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.