Home / 950,163.84-1,311,222.24-520,443.36

Finding the Fourth Proportional to 950,163.84, 1,311,222.24 and 520,443.36

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Solution

The fourth proportional to 950,163.84, 1,311,222.24 and 520,443.36 is: 718,209.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    950,163.84 : 1,311,222.24 = 520,443.36 : x
  2. Step 2: Convert to fraction form
    950,163.84/1,311,222.24 = 520,443.36/x
  3. Step 3: Cross multiply
    950,163.84x = 1,311,222.24 × 520,443.36
  4. Step 4: Simplify right side
    950,163.84x = 682,416,908,292.33
  5. Step 5: Solve for x
    x = 682,416,908,292.33/950,163.84
  6. Step 6: Final answer
    x = 718,209.72

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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.