Home / 950,175.80-1,311,243.12-520,463.04

Finding the Fourth Proportional to 950,175.80, 1,311,243.12 and 520,463.04

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Solution

The fourth proportional to 950,175.80, 1,311,243.12 and 520,463.04 is: 718,239.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    950,175.80 : 1,311,243.12 = 520,463.04 : x
  2. Step 2: Convert to fraction form
    950,175.80/1,311,243.12 = 520,463.04/x
  3. Step 3: Cross multiply
    950,175.80x = 1,311,243.12 × 520,463.04
  4. Step 4: Simplify right side
    950,175.80x = 682,453,580,414.29
  5. Step 5: Solve for x
    x = 682,453,580,414.29/950,175.80
  6. Step 6: Final answer
    x = 718,239.28

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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.