Home / 1,067,139.11-1,600,729.50-392,873.33

Finding the Fourth Proportional to 1,067,139.11, 1,600,729.50 and 392,873.33

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Solution

The fourth proportional to 1,067,139.11, 1,600,729.50 and 392,873.33 is: 589,317.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,067,139.11 : 1,600,729.50 = 392,873.33 : x
  2. Step 2: Convert to fraction form
    1,067,139.11/1,600,729.50 = 392,873.33/x
  3. Step 3: Cross multiply
    1,067,139.11x = 1,600,729.50 × 392,873.33
  4. Step 4: Simplify right side
    1,067,139.11x = 628,883,921,090.59
  5. Step 5: Solve for x
    x = 628,883,921,090.59/1,067,139.11
  6. Step 6: Final answer
    x = 589,317.66

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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.