Home / 981,377.46-1,472,064.36-307,510.41

Finding the Fourth Proportional to 981,377.46, 1,472,064.36 and 307,510.41

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Solution

The fourth proportional to 981,377.46, 1,472,064.36 and 307,510.41 is: 461,265.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    981,377.46 : 1,472,064.36 = 307,510.41 : x
  2. Step 2: Convert to fraction form
    981,377.46/1,472,064.36 = 307,510.41/x
  3. Step 3: Cross multiply
    981,377.46x = 1,472,064.36 × 307,510.41
  4. Step 4: Simplify right side
    981,377.46x = 452,675,114,889.99
  5. Step 5: Solve for x
    x = 452,675,114,889.99/981,377.46
  6. Step 6: Final answer
    x = 461,265.04

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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.