Home / 451,291.26-675,411.06-439,147.09

Finding the Fourth Proportional to 451,291.26, 675,411.06 and 439,147.09

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Solution

The fourth proportional to 451,291.26, 675,411.06 and 439,147.09 is: 657,235.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,291.26 : 675,411.06 = 439,147.09 : x
  2. Step 2: Convert to fraction form
    451,291.26/675,411.06 = 439,147.09/x
  3. Step 3: Cross multiply
    451,291.26x = 675,411.06 × 439,147.09
  4. Step 4: Simplify right side
    451,291.26x = 296,604,801,552.82
  5. Step 5: Solve for x
    x = 296,604,801,552.82/451,291.26
  6. Step 6: Final answer
    x = 657,235.86

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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.