Home / 1,458,768.78-2,189,130.33-512,142.30

Finding the Fourth Proportional to 1,458,768.78, 2,189,130.33 and 512,142.30

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Solution

The fourth proportional to 1,458,768.78, 2,189,130.33 and 512,142.30 is: 768,556.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,458,768.78 : 2,189,130.33 = 512,142.30 : x
  2. Step 2: Convert to fraction form
    1,458,768.78/2,189,130.33 = 512,142.30/x
  3. Step 3: Cross multiply
    1,458,768.78x = 2,189,130.33 × 512,142.30
  4. Step 4: Simplify right side
    1,458,768.78x = 1,121,146,242,205.96
  5. Step 5: Solve for x
    x = 1,121,146,242,205.96/1,458,768.78
  6. Step 6: Final answer
    x = 768,556.51

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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.