Home / 411,438.60-567,556.56-239,337.20

Finding the Fourth Proportional to 411,438.60, 567,556.56 and 239,337.20

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Solution

The fourth proportional to 411,438.60, 567,556.56 and 239,337.20 is: 330,152.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,438.60 : 567,556.56 = 239,337.20 : x
  2. Step 2: Convert to fraction form
    411,438.60/567,556.56 = 239,337.20/x
  3. Step 3: Cross multiply
    411,438.60x = 567,556.56 × 239,337.20
  4. Step 4: Simplify right side
    411,438.60x = 135,837,397,912.03
  5. Step 5: Solve for x
    x = 135,837,397,912.03/411,438.60
  6. Step 6: Final answer
    x = 330,152.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.