Home / 981,236.81-1,472,426.27-412,576.71

Finding the Fourth Proportional to 981,236.81, 1,472,426.27 and 412,576.71

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Solution

The fourth proportional to 981,236.81, 1,472,426.27 and 412,576.71 is: 619,105.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    981,236.81 : 1,472,426.27 = 412,576.71 : x
  2. Step 2: Convert to fraction form
    981,236.81/1,472,426.27 = 412,576.71/x
  3. Step 3: Cross multiply
    981,236.81x = 1,472,426.27 × 412,576.71
  4. Step 4: Simplify right side
    981,236.81x = 607,488,784,131.29
  5. Step 5: Solve for x
    x = 607,488,784,131.29/981,236.81
  6. Step 6: Final answer
    x = 619,105.18

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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.