Home / 913,878.60-1,260,984.39-526,639.73

Finding the Fourth Proportional to 913,878.60, 1,260,984.39 and 526,639.73

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Solution

The fourth proportional to 913,878.60, 1,260,984.39 and 526,639.73 is: 726,665.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,878.60 : 1,260,984.39 = 526,639.73 : x
  2. Step 2: Convert to fraction form
    913,878.60/1,260,984.39 = 526,639.73/x
  3. Step 3: Cross multiply
    913,878.60x = 1,260,984.39 × 526,639.73
  4. Step 4: Simplify right side
    913,878.60x = 664,084,470,403.99
  5. Step 5: Solve for x
    x = 664,084,470,403.99/913,878.60
  6. Step 6: Final answer
    x = 726,665.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.