Home / 411,278.85-567,566.33-239,238.09

Finding the Fourth Proportional to 411,278.85, 567,566.33 and 239,238.09

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Solution

The fourth proportional to 411,278.85, 567,566.33 and 239,238.09 is: 330,149.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,278.85 : 567,566.33 = 239,238.09 : x
  2. Step 2: Convert to fraction form
    411,278.85/567,566.33 = 239,238.09/x
  3. Step 3: Cross multiply
    411,278.85x = 567,566.33 × 239,238.09
  4. Step 4: Simplify right side
    411,278.85x = 135,783,483,541.32
  5. Step 5: Solve for x
    x = 135,783,483,541.32/411,278.85
  6. Step 6: Final answer
    x = 330,149.44

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Double scale
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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.