Home / 981,102.56-1,354,033.76-545,563.34

Finding the Fourth Proportional to 981,102.56, 1,354,033.76 and 545,563.34

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Solution

The fourth proportional to 981,102.56, 1,354,033.76 and 545,563.34 is: 752,939.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    981,102.56 : 1,354,033.76 = 545,563.34 : x
  2. Step 2: Convert to fraction form
    981,102.56/1,354,033.76 = 545,563.34/x
  3. Step 3: Cross multiply
    981,102.56x = 1,354,033.76 × 545,563.34
  4. Step 4: Simplify right side
    981,102.56x = 738,711,171,080.37
  5. Step 5: Solve for x
    x = 738,711,171,080.37/981,102.56
  6. Step 6: Final answer
    x = 752,939.81

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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.