Home / 439,514.34-606,530.13-238,310.34

Finding the Fourth Proportional to 439,514.34, 606,530.13 and 238,310.34

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Solution

The fourth proportional to 439,514.34, 606,530.13 and 238,310.34 is: 328,868.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,514.34 : 606,530.13 = 238,310.34 : x
  2. Step 2: Convert to fraction form
    439,514.34/606,530.13 = 238,310.34/x
  3. Step 3: Cross multiply
    439,514.34x = 606,530.13 × 238,310.34
  4. Step 4: Simplify right side
    439,514.34x = 144,542,401,500.54
  5. Step 5: Solve for x
    x = 144,542,401,500.54/439,514.34
  6. Step 6: Final answer
    x = 328,868.45

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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.