Home / 413,732.20-620,771.10-133,335.40

Finding the Fourth Proportional to 413,732.20, 620,771.10 and 133,335.40

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Solution

The fourth proportional to 413,732.20, 620,771.10 and 133,335.40 is: 200,058.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    413,732.20 : 620,771.10 = 133,335.40 : x
  2. Step 2: Convert to fraction form
    413,732.20/620,771.10 = 133,335.40/x
  3. Step 3: Cross multiply
    413,732.20x = 620,771.10 × 133,335.40
  4. Step 4: Simplify right side
    413,732.20x = 82,770,762,926.94
  5. Step 5: Solve for x
    x = 82,770,762,926.94/413,732.20
  6. Step 6: Final answer
    x = 200,058.79

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1.5x scale

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.