Home / 930,820.43-1,394,969.36-481,856.50

Finding the Fourth Proportional to 930,820.43, 1,394,969.36 and 481,856.50

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Solution

The fourth proportional to 930,820.43, 1,394,969.36 and 481,856.50 is: 722,131.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    930,820.43 : 1,394,969.36 = 481,856.50 : x
  2. Step 2: Convert to fraction form
    930,820.43/1,394,969.36 = 481,856.50/x
  3. Step 3: Cross multiply
    930,820.43x = 1,394,969.36 × 481,856.50
  4. Step 4: Simplify right side
    930,820.43x = 672,175,051,134.06
  5. Step 5: Solve for x
    x = 672,175,051,134.06/930,820.43
  6. Step 6: Final answer
    x = 722,131.82

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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.