Home / 1,272,785.56-1,756,450.50-699,862.60

Finding the Fourth Proportional to 1,272,785.56, 1,756,450.50 and 699,862.60

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Solution

The fourth proportional to 1,272,785.56, 1,756,450.50 and 699,862.60 is: 965,813.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,272,785.56 : 1,756,450.50 = 699,862.60 : x
  2. Step 2: Convert to fraction form
    1,272,785.56/1,756,450.50 = 699,862.60/x
  3. Step 3: Cross multiply
    1,272,785.56x = 1,756,450.50 × 699,862.60
  4. Step 4: Simplify right side
    1,272,785.56x = 1,229,274,013,701.30
  5. Step 5: Solve for x
    x = 1,229,274,013,701.30/1,272,785.56
  6. Step 6: Final answer
    x = 965,813.92

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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.