Home / 1,242,500.70-1,863,543.44-344,033.25

Finding the Fourth Proportional to 1,242,500.70, 1,863,543.44 and 344,033.25

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Solution

The fourth proportional to 1,242,500.70, 1,863,543.44 and 344,033.25 is: 515,992.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,242,500.70 : 1,863,543.44 = 344,033.25 : x
  2. Step 2: Convert to fraction form
    1,242,500.70/1,863,543.44 = 344,033.25/x
  3. Step 3: Cross multiply
    1,242,500.70x = 1,863,543.44 × 344,033.25
  4. Step 4: Simplify right side
    1,242,500.70x = 641,120,904,459.21
  5. Step 5: Solve for x
    x = 641,120,904,459.21/1,242,500.70
  6. Step 6: Final answer
    x = 515,992.39

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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.