Home / 1,103,584.22-1,522,973.37-620,120.42

Finding the Fourth Proportional to 1,103,584.22, 1,522,973.37 and 620,120.42

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Solution

The fourth proportional to 1,103,584.22, 1,522,973.37 and 620,120.42 is: 855,781.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,103,584.22 : 1,522,973.37 = 620,120.42 : x
  2. Step 2: Convert to fraction form
    1,103,584.22/1,522,973.37 = 620,120.42/x
  3. Step 3: Cross multiply
    1,103,584.22x = 1,522,973.37 × 620,120.42
  4. Step 4: Simplify right side
    1,103,584.22x = 944,426,885,853.22
  5. Step 5: Solve for x
    x = 944,426,885,853.22/1,103,584.22
  6. Step 6: Final answer
    x = 855,781.43

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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.