Home / 842,359.72-1,263,076.84-414,955.12

Finding the Fourth Proportional to 842,359.72, 1,263,076.84 and 414,955.12

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Solution

The fourth proportional to 842,359.72, 1,263,076.84 and 414,955.12 is: 622,204.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    842,359.72 : 1,263,076.84 = 414,955.12 : x
  2. Step 2: Convert to fraction form
    842,359.72/1,263,076.84 = 414,955.12/x
  3. Step 3: Cross multiply
    842,359.72x = 1,263,076.84 × 414,955.12
  4. Step 4: Simplify right side
    842,359.72x = 524,120,201,711.42
  5. Step 5: Solve for x
    x = 524,120,201,711.42/842,359.72
  6. Step 6: Final answer
    x = 622,204.73

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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.