Home / 950,136.84-1,311,189.16-520,424.16

Finding the Fourth Proportional to 950,136.84, 1,311,189.16 and 520,424.16

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Solution

The fourth proportional to 950,136.84, 1,311,189.16 and 520,424.16 is: 718,185.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    950,136.84 : 1,311,189.16 = 520,424.16 : x
  2. Step 2: Convert to fraction form
    950,136.84/1,311,189.16 = 520,424.16/x
  3. Step 3: Cross multiply
    950,136.84x = 1,311,189.16 × 520,424.16
  4. Step 4: Simplify right side
    950,136.84x = 682,374,517,194.11
  5. Step 5: Solve for x
    x = 682,374,517,194.11/950,136.84
  6. Step 6: Final answer
    x = 718,185.52

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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.