Home / 981,866.21-1,472,784.51-441,741.05

Finding the Fourth Proportional to 981,866.21, 1,472,784.51 and 441,741.05

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Solution

The fourth proportional to 981,866.21, 1,472,784.51 and 441,741.05 is: 662,604.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    981,866.21 : 1,472,784.51 = 441,741.05 : x
  2. Step 2: Convert to fraction form
    981,866.21/1,472,784.51 = 441,741.05/x
  3. Step 3: Cross multiply
    981,866.21x = 1,472,784.51 × 441,741.05
  4. Step 4: Simplify right side
    981,866.21x = 650,589,368,507.21
  5. Step 5: Solve for x
    x = 650,589,368,507.21/981,866.21
  6. Step 6: Final answer
    x = 662,604.91

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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.