Home / 1,378,406.28-2,067,610.14-525,279

Finding the Fourth Proportional to 1,378,406.28, 2,067,610.14 and 525,279

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Solution

The fourth proportional to 1,378,406.28, 2,067,610.14 and 525,279 is: 787,918.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,378,406.28 : 2,067,610.14 = 525,279 : x
  2. Step 2: Convert to fraction form
    1,378,406.28/2,067,610.14 = 525,279/x
  3. Step 3: Cross multiply
    1,378,406.28x = 2,067,610.14 × 525,279
  4. Step 4: Simplify right side
    1,378,406.28x = 1,086,072,186,729.06
  5. Step 5: Solve for x
    x = 1,086,072,186,729.06/1,378,406.28
  6. Step 6: Final answer
    x = 787,918.77

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1.5x scale

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.