Home / 828,708.40-1,243,062.60-695,738.80

Finding the Fourth Proportional to 828,708.40, 1,243,062.60 and 695,738.80

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Solution

The fourth proportional to 828,708.40, 1,243,062.60 and 695,738.80 is: 1,043,608.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,708.40 : 1,243,062.60 = 695,738.80 : x
  2. Step 2: Convert to fraction form
    828,708.40/1,243,062.60 = 695,738.80/x
  3. Step 3: Cross multiply
    828,708.40x = 1,243,062.60 × 695,738.80
  4. Step 4: Simplify right side
    828,708.40x = 864,846,881,648.88
  5. Step 5: Solve for x
    x = 864,846,881,648.88/828,708.40
  6. Step 6: Final answer
    x = 1,043,608.20

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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.