Home / 873,266.37-1,205,107.41-486,073.44

Finding the Fourth Proportional to 873,266.37, 1,205,107.41 and 486,073.44

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Solution

The fourth proportional to 873,266.37, 1,205,107.41 and 486,073.44 is: 670,781.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    873,266.37 : 1,205,107.41 = 486,073.44 : x
  2. Step 2: Convert to fraction form
    873,266.37/1,205,107.41 = 486,073.44/x
  3. Step 3: Cross multiply
    873,266.37x = 1,205,107.41 × 486,073.44
  4. Step 4: Simplify right side
    873,266.37x = 585,770,704,348.19
  5. Step 5: Solve for x
    x = 585,770,704,348.19/873,266.37
  6. Step 6: Final answer
    x = 670,781.25

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1.5x scale

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.