Home / 1,220,882.76-1,684,919.21-677,194.22

Finding the Fourth Proportional to 1,220,882.76, 1,684,919.21 and 677,194.22

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Solution

The fourth proportional to 1,220,882.76, 1,684,919.21 and 677,194.22 is: 934,584.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,220,882.76 : 1,684,919.21 = 677,194.22 : x
  2. Step 2: Convert to fraction form
    1,220,882.76/1,684,919.21 = 677,194.22/x
  3. Step 3: Cross multiply
    1,220,882.76x = 1,684,919.21 × 677,194.22
  4. Step 4: Simplify right side
    1,220,882.76x = 1,141,017,551,005.29
  5. Step 5: Solve for x
    x = 1,141,017,551,005.29/1,220,882.76
  6. Step 6: Final answer
    x = 934,584.05

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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.