Home / 923,418.66-1,385,206.95-324,327.66

Finding the Fourth Proportional to 923,418.66, 1,385,206.95 and 324,327.66

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Solution

The fourth proportional to 923,418.66, 1,385,206.95 and 324,327.66 is: 486,519.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    923,418.66 : 1,385,206.95 = 324,327.66 : x
  2. Step 2: Convert to fraction form
    923,418.66/1,385,206.95 = 324,327.66/x
  3. Step 3: Cross multiply
    923,418.66x = 1,385,206.95 × 324,327.66
  4. Step 4: Simplify right side
    923,418.66x = 449,260,928,709.24
  5. Step 5: Solve for x
    x = 449,260,928,709.24/923,418.66
  6. Step 6: Final answer
    x = 486,519.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.