Home / 591,843.26-816,749.67-319,916.42

Finding the Fourth Proportional to 591,843.26, 816,749.67 and 319,916.42

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Solution

The fourth proportional to 591,843.26, 816,749.67 and 319,916.42 is: 441,487.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,843.26 : 816,749.67 = 319,916.42 : x
  2. Step 2: Convert to fraction form
    591,843.26/816,749.67 = 319,916.42/x
  3. Step 3: Cross multiply
    591,843.26x = 816,749.67 × 319,916.42
  4. Step 4: Simplify right side
    591,843.26x = 261,291,630,462.58
  5. Step 5: Solve for x
    x = 261,291,630,462.58/591,843.26
  6. Step 6: Final answer
    x = 441,487.89

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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.