Home / 930,614.48-1,284,219.97-517,149.88

Finding the Fourth Proportional to 930,614.48, 1,284,219.97 and 517,149.88

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Solution

The fourth proportional to 930,614.48, 1,284,219.97 and 517,149.88 is: 713,651.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    930,614.48 : 1,284,219.97 = 517,149.88 : x
  2. Step 2: Convert to fraction form
    930,614.48/1,284,219.97 = 517,149.88/x
  3. Step 3: Cross multiply
    930,614.48x = 1,284,219.97 × 517,149.88
  4. Step 4: Simplify right side
    930,614.48x = 664,134,198,875.68
  5. Step 5: Solve for x
    x = 664,134,198,875.68/930,614.48
  6. Step 6: Final answer
    x = 713,651.26

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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.