Home / 1,222,656.32-1,833,394.60-512,493.68

Finding the Fourth Proportional to 1,222,656.32, 1,833,394.60 and 512,493.68

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Solution

The fourth proportional to 1,222,656.32, 1,833,394.60 and 512,493.68 is: 768,493.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,222,656.32 : 1,833,394.60 = 512,493.68 : x
  2. Step 2: Convert to fraction form
    1,222,656.32/1,833,394.60 = 512,493.68/x
  3. Step 3: Cross multiply
    1,222,656.32x = 1,833,394.60 × 512,493.68
  4. Step 4: Simplify right side
    1,222,656.32x = 939,603,150,670.23
  5. Step 5: Solve for x
    x = 939,603,150,670.23/1,222,656.32
  6. Step 6: Final answer
    x = 768,493.27

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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.