Home / 826,041.78-1,238,824.53-227,022.48

Finding the Fourth Proportional to 826,041.78, 1,238,824.53 and 227,022.48

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Solution

The fourth proportional to 826,041.78, 1,238,824.53 and 227,022.48 is: 340,468.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    826,041.78 : 1,238,824.53 = 227,022.48 : x
  2. Step 2: Convert to fraction form
    826,041.78/1,238,824.53 = 227,022.48/x
  3. Step 3: Cross multiply
    826,041.78x = 1,238,824.53 × 227,022.48
  4. Step 4: Simplify right side
    826,041.78x = 281,241,017,085.43
  5. Step 5: Solve for x
    x = 281,241,017,085.43/826,041.78
  6. Step 6: Final answer
    x = 340,468.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.