Home / 950,136.36-1,311,186.33-520,424.88

Finding the Fourth Proportional to 950,136.36, 1,311,186.33 and 520,424.88

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Solution

The fourth proportional to 950,136.36, 1,311,186.33 and 520,424.88 is: 718,185.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    950,136.36 : 1,311,186.33 = 520,424.88 : x
  2. Step 2: Convert to fraction form
    950,136.36/1,311,186.33 = 520,424.88/x
  3. Step 3: Cross multiply
    950,136.36x = 1,311,186.33 × 520,424.88
  4. Step 4: Simplify right side
    950,136.36x = 682,373,988,447.89
  5. Step 5: Solve for x
    x = 682,373,988,447.89/950,136.36
  6. Step 6: Final answer
    x = 718,185.32

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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.