Home / 1,236,904.40-1,853,974.20-526,811.60

Finding the Fourth Proportional to 1,236,904.40, 1,853,974.20 and 526,811.60

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Solution

The fourth proportional to 1,236,904.40, 1,853,974.20 and 526,811.60 is: 789,628.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,236,904.40 : 1,853,974.20 = 526,811.60 : x
  2. Step 2: Convert to fraction form
    1,236,904.40/1,853,974.20 = 526,811.60/x
  3. Step 3: Cross multiply
    1,236,904.40x = 1,853,974.20 × 526,811.60
  4. Step 4: Simplify right side
    1,236,904.40x = 976,695,114,660.72
  5. Step 5: Solve for x
    x = 976,695,114,660.72/1,236,904.40
  6. Step 6: Final answer
    x = 789,628.62

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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.