Home / 752,767.70-1,129,153.16-529,128.86

Finding the Fourth Proportional to 752,767.70, 1,129,153.16 and 529,128.86

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Solution

The fourth proportional to 752,767.70, 1,129,153.16 and 529,128.86 is: 793,694.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,767.70 : 1,129,153.16 = 529,128.86 : x
  2. Step 2: Convert to fraction form
    752,767.70/1,129,153.16 = 529,128.86/x
  3. Step 3: Cross multiply
    752,767.70x = 1,129,153.16 × 529,128.86
  4. Step 4: Simplify right side
    752,767.70x = 597,467,519,993.25
  5. Step 5: Solve for x
    x = 597,467,519,993.25/752,767.70
  6. Step 6: Final answer
    x = 793,694.41

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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.