Home / 1,342,500.55-2,013,126.46-488,978

Finding the Fourth Proportional to 1,342,500.55, 2,013,126.46 and 488,978

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Solution

The fourth proportional to 1,342,500.55, 2,013,126.46 and 488,978 is: 733,239.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,342,500.55 : 2,013,126.46 = 488,978 : x
  2. Step 2: Convert to fraction form
    1,342,500.55/2,013,126.46 = 488,978/x
  3. Step 3: Cross multiply
    1,342,500.55x = 2,013,126.46 × 488,978
  4. Step 4: Simplify right side
    1,342,500.55x = 984,374,550,157.88
  5. Step 5: Solve for x
    x = 984,374,550,157.88/1,342,500.55
  6. Step 6: Final answer
    x = 733,239.59

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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.