Home / 1,272,800.55-1,756,464.39-699,877.83

Finding the Fourth Proportional to 1,272,800.55, 1,756,464.39 and 699,877.83

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Solution

The fourth proportional to 1,272,800.55, 1,756,464.39 and 699,877.83 is: 965,831.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,272,800.55 : 1,756,464.39 = 699,877.83 : x
  2. Step 2: Convert to fraction form
    1,272,800.55/1,756,464.39 = 699,877.83/x
  3. Step 3: Cross multiply
    1,272,800.55x = 1,756,464.39 × 699,877.83
  4. Step 4: Simplify right side
    1,272,800.55x = 1,229,310,485,745.47
  5. Step 5: Solve for x
    x = 1,229,310,485,745.47/1,272,800.55
  6. Step 6: Final answer
    x = 965,831.20

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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.