Home / 923,435.12-1,274,361.89-579,285.54

Finding the Fourth Proportional to 923,435.12, 1,274,361.89 and 579,285.54

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Solution

The fourth proportional to 923,435.12, 1,274,361.89 and 579,285.54 is: 799,427.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    923,435.12 : 1,274,361.89 = 579,285.54 : x
  2. Step 2: Convert to fraction form
    923,435.12/1,274,361.89 = 579,285.54/x
  3. Step 3: Cross multiply
    923,435.12x = 1,274,361.89 × 579,285.54
  4. Step 4: Simplify right side
    923,435.12x = 738,219,412,707.64
  5. Step 5: Solve for x
    x = 738,219,412,707.64/923,435.12
  6. Step 6: Final answer
    x = 799,427.49

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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.