Home / 833,648.64-1,150,015.68-547,128.96

Finding the Fourth Proportional to 833,648.64, 1,150,015.68 and 547,128.96

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Solution

The fourth proportional to 833,648.64, 1,150,015.68 and 547,128.96 is: 754,762.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    833,648.64 : 1,150,015.68 = 547,128.96 : x
  2. Step 2: Convert to fraction form
    833,648.64/1,150,015.68 = 547,128.96/x
  3. Step 3: Cross multiply
    833,648.64x = 1,150,015.68 × 547,128.96
  4. Step 4: Simplify right side
    833,648.64x = 629,206,882,982.09
  5. Step 5: Solve for x
    x = 629,206,882,982.09/833,648.64
  6. Step 6: Final answer
    x = 754,762.68

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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.