Home / 959,391.33-1,439,067.03-319,741.41

Finding the Fourth Proportional to 959,391.33, 1,439,067.03 and 319,741.41

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Solution

The fourth proportional to 959,391.33, 1,439,067.03 and 319,741.41 is: 479,605.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    959,391.33 : 1,439,067.03 = 319,741.41 : x
  2. Step 2: Convert to fraction form
    959,391.33/1,439,067.03 = 319,741.41/x
  3. Step 3: Cross multiply
    959,391.33x = 1,439,067.03 × 319,741.41
  4. Step 4: Simplify right side
    959,391.33x = 460,129,321,256.71
  5. Step 5: Solve for x
    x = 460,129,321,256.71/959,391.33
  6. Step 6: Final answer
    x = 479,605.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.