Home / 1,221,866.26-1,686,094.41-677,967.58

Finding the Fourth Proportional to 1,221,866.26, 1,686,094.41 and 677,967.58

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Solution

The fourth proportional to 1,221,866.26, 1,686,094.41 and 677,967.58 is: 935,550.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,221,866.26 : 1,686,094.41 = 677,967.58 : x
  2. Step 2: Convert to fraction form
    1,221,866.26/1,686,094.41 = 677,967.58/x
  3. Step 3: Cross multiply
    1,221,866.26x = 1,686,094.41 × 677,967.58
  4. Step 4: Simplify right side
    1,221,866.26x = 1,143,117,346,799.23
  5. Step 5: Solve for x
    x = 1,143,117,346,799.23/1,221,866.26
  6. Step 6: Final answer
    x = 935,550.30

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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.