Home / 1,383,227.64-1,909,330.38-810,453.24

Finding the Fourth Proportional to 1,383,227.64, 1,909,330.38 and 810,453.24

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Solution

The fourth proportional to 1,383,227.64, 1,909,330.38 and 810,453.24 is: 1,118,704.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,383,227.64 : 1,909,330.38 = 810,453.24 : x
  2. Step 2: Convert to fraction form
    1,383,227.64/1,909,330.38 = 810,453.24/x
  3. Step 3: Cross multiply
    1,383,227.64x = 1,909,330.38 × 810,453.24
  4. Step 4: Simplify right side
    1,383,227.64x = 1,547,422,992,701.43
  5. Step 5: Solve for x
    x = 1,547,422,992,701.43/1,383,227.64
  6. Step 6: Final answer
    x = 1,118,704.51

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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.