Home / 1,609,111.12-2,220,587.44-883,973.60

Finding the Fourth Proportional to 1,609,111.12, 2,220,587.44 and 883,973.60

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Solution

The fourth proportional to 1,609,111.12, 2,220,587.44 and 883,973.60 is: 1,219,891.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,609,111.12 : 2,220,587.44 = 883,973.60 : x
  2. Step 2: Convert to fraction form
    1,609,111.12/2,220,587.44 = 883,973.60/x
  3. Step 3: Cross multiply
    1,609,111.12x = 2,220,587.44 × 883,973.60
  4. Step 4: Simplify right side
    1,609,111.12x = 1,962,940,673,451.58
  5. Step 5: Solve for x
    x = 1,962,940,673,451.58/1,609,111.12
  6. Step 6: Final answer
    x = 1,219,891.31

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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.