Home / 533,638.07-799,174.32-305,241.45

Finding the Fourth Proportional to 533,638.07, 799,174.32 and 305,241.45

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Solution

The fourth proportional to 533,638.07, 799,174.32 and 305,241.45 is: 457,128.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,638.07 : 799,174.32 = 305,241.45 : x
  2. Step 2: Convert to fraction form
    533,638.07/799,174.32 = 305,241.45/x
  3. Step 3: Cross multiply
    533,638.07x = 799,174.32 × 305,241.45
  4. Step 4: Simplify right side
    533,638.07x = 243,941,128,239.56
  5. Step 5: Solve for x
    x = 243,941,128,239.56/533,638.07
  6. Step 6: Final answer
    x = 457,128.43

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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.