Home / 464,945.90-641,460.32-303,893.92

Finding the Fourth Proportional to 464,945.90, 641,460.32 and 303,893.92

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Solution

The fourth proportional to 464,945.90, 641,460.32 and 303,893.92 is: 419,265.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    464,945.90 : 641,460.32 = 303,893.92 : x
  2. Step 2: Convert to fraction form
    464,945.90/641,460.32 = 303,893.92/x
  3. Step 3: Cross multiply
    464,945.90x = 641,460.32 × 303,893.92
  4. Step 4: Simplify right side
    464,945.90x = 194,935,891,169.25
  5. Step 5: Solve for x
    x = 194,935,891,169.25/464,945.90
  6. Step 6: Final answer
    x = 419,265.75

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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.