Home / 446,918.09-616,758.89-242,982.72

Finding the Fourth Proportional to 446,918.09, 616,758.89 and 242,982.72

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Solution

The fourth proportional to 446,918.09, 616,758.89 and 242,982.72 is: 335,322.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,918.09 : 616,758.89 = 242,982.72 : x
  2. Step 2: Convert to fraction form
    446,918.09/616,758.89 = 242,982.72/x
  3. Step 3: Cross multiply
    446,918.09x = 616,758.89 × 242,982.72
  4. Step 4: Simplify right side
    446,918.09x = 149,861,752,676.38
  5. Step 5: Solve for x
    x = 149,861,752,676.38/446,918.09
  6. Step 6: Final answer
    x = 335,322.64

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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.