Home / 726,919.98-1,090,846.53-352,738.86

Finding the Fourth Proportional to 726,919.98, 1,090,846.53 and 352,738.86

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Solution

The fourth proportional to 726,919.98, 1,090,846.53 and 352,738.86 is: 529,334.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,919.98 : 1,090,846.53 = 352,738.86 : x
  2. Step 2: Convert to fraction form
    726,919.98/1,090,846.53 = 352,738.86/x
  3. Step 3: Cross multiply
    726,919.98x = 1,090,846.53 × 352,738.86
  4. Step 4: Simplify right side
    726,919.98x = 384,783,961,427.16
  5. Step 5: Solve for x
    x = 384,783,961,427.16/726,919.98
  6. Step 6: Final answer
    x = 529,334.69

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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.