Home / 401,514.85-554,091.29-220,228.26

Finding the Fourth Proportional to 401,514.85, 554,091.29 and 220,228.26

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Solution

The fourth proportional to 401,514.85, 554,091.29 and 220,228.26 is: 303,915.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,514.85 : 554,091.29 = 220,228.26 : x
  2. Step 2: Convert to fraction form
    401,514.85/554,091.29 = 220,228.26/x
  3. Step 3: Cross multiply
    401,514.85x = 554,091.29 × 220,228.26
  4. Step 4: Simplify right side
    401,514.85x = 122,026,560,677.86
  5. Step 5: Solve for x
    x = 122,026,560,677.86/401,514.85
  6. Step 6: Final answer
    x = 303,915.44

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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.