Home / 1,221,033.22-1,684,914.54-677,167.36

Finding the Fourth Proportional to 1,221,033.22, 1,684,914.54 and 677,167.36

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Solution

The fourth proportional to 1,221,033.22, 1,684,914.54 and 677,167.36 is: 934,429.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,221,033.22 : 1,684,914.54 = 677,167.36 : x
  2. Step 2: Convert to fraction form
    1,221,033.22/1,684,914.54 = 677,167.36/x
  3. Step 3: Cross multiply
    1,221,033.22x = 1,684,914.54 × 677,167.36
  4. Step 4: Simplify right side
    1,221,033.22x = 1,140,969,130,877.41
  5. Step 5: Solve for x
    x = 1,140,969,130,877.41/1,221,033.22
  6. Step 6: Final answer
    x = 934,429.23

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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.