Home / 755,459.57-1,042,540.49-411,297.86

Finding the Fourth Proportional to 755,459.57, 1,042,540.49 and 411,297.86

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Solution

The fourth proportional to 755,459.57, 1,042,540.49 and 411,297.86 is: 567,594.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,459.57 : 1,042,540.49 = 411,297.86 : x
  2. Step 2: Convert to fraction form
    755,459.57/1,042,540.49 = 411,297.86/x
  3. Step 3: Cross multiply
    755,459.57x = 1,042,540.49 × 411,297.86
  4. Step 4: Simplify right side
    755,459.57x = 428,794,670,443.86
  5. Step 5: Solve for x
    x = 428,794,670,443.86/755,459.57
  6. Step 6: Final answer
    x = 567,594.46

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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.