Home / 981,601.80-1,473,190.14-508,422.48

Finding the Fourth Proportional to 981,601.80, 1,473,190.14 and 508,422.48

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Solution

The fourth proportional to 981,601.80, 1,473,190.14 and 508,422.48 is: 763,041.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    981,601.80 : 1,473,190.14 = 508,422.48 : x
  2. Step 2: Convert to fraction form
    981,601.80/1,473,190.14 = 508,422.48/x
  3. Step 3: Cross multiply
    981,601.80x = 1,473,190.14 × 508,422.48
  4. Step 4: Simplify right side
    981,601.80x = 749,002,984,490.35
  5. Step 5: Solve for x
    x = 749,002,984,490.35/981,601.80
  6. Step 6: Final answer
    x = 763,041.58

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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.