Home / 447,943.60-672,109.80-226,327.60

Finding the Fourth Proportional to 447,943.60, 672,109.80 and 226,327.60

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Solution

The fourth proportional to 447,943.60, 672,109.80 and 226,327.60 is: 339,589.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,943.60 : 672,109.80 = 226,327.60 : x
  2. Step 2: Convert to fraction form
    447,943.60/672,109.80 = 226,327.60/x
  3. Step 3: Cross multiply
    447,943.60x = 672,109.80 × 226,327.60
  4. Step 4: Simplify right side
    447,943.60x = 152,116,997,970.48
  5. Step 5: Solve for x
    x = 152,116,997,970.48/447,943.60
  6. Step 6: Final answer
    x = 339,589.62

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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.