Home / 2,275,212-3,139,792.56-1,256,682.36

Finding the Fourth Proportional to 2,275,212, 3,139,792.56 and 1,256,682.36

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Solution

The fourth proportional to 2,275,212, 3,139,792.56 and 1,256,682.36 is: 1,734,221.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,275,212 : 3,139,792.56 = 1,256,682.36 : x
  2. Step 2: Convert to fraction form
    2,275,212/3,139,792.56 = 1,256,682.36/x
  3. Step 3: Cross multiply
    2,275,212x = 3,139,792.56 × 1,256,682.36
  4. Step 4: Simplify right side
    2,275,212x = 3,945,721,924,211.24
  5. Step 5: Solve for x
    x = 3,945,721,924,211.24/2,275,212
  6. Step 6: Final answer
    x = 1,734,221.66

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1.5x scale

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.