Home / 441,605.12-609,417.60-240,400.64

Finding the Fourth Proportional to 441,605.12, 609,417.60 and 240,400.64

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Solution

The fourth proportional to 441,605.12, 609,417.60 and 240,400.64 is: 331,754.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,605.12 : 609,417.60 = 240,400.64 : x
  2. Step 2: Convert to fraction form
    441,605.12/609,417.60 = 240,400.64/x
  3. Step 3: Cross multiply
    441,605.12x = 609,417.60 × 240,400.64
  4. Step 4: Simplify right side
    441,605.12x = 146,504,381,067.26
  5. Step 5: Solve for x
    x = 146,504,381,067.26/441,605.12
  6. Step 6: Final answer
    x = 331,754.26

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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.