Home / 447,018.58-616,876.86-243,067.77

Finding the Fourth Proportional to 447,018.58, 616,876.86 and 243,067.77

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Solution

The fourth proportional to 447,018.58, 616,876.86 and 243,067.77 is: 335,428.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,018.58 : 616,876.86 = 243,067.77 : x
  2. Step 2: Convert to fraction form
    447,018.58/616,876.86 = 243,067.77/x
  3. Step 3: Cross multiply
    447,018.58x = 616,876.86 × 243,067.77
  4. Step 4: Simplify right side
    447,018.58x = 149,942,883,636.31
  5. Step 5: Solve for x
    x = 149,942,883,636.31/447,018.58
  6. Step 6: Final answer
    x = 335,428.75

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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.