Home / 439,306.32-606,243.24-238,102.32

Finding the Fourth Proportional to 439,306.32, 606,243.24 and 238,102.32

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Solution

The fourth proportional to 439,306.32, 606,243.24 and 238,102.32 is: 328,581.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,306.32 : 606,243.24 = 238,102.32 : x
  2. Step 2: Convert to fraction form
    439,306.32/606,243.24 = 238,102.32/x
  3. Step 3: Cross multiply
    439,306.32x = 606,243.24 × 238,102.32
  4. Step 4: Simplify right side
    439,306.32x = 144,347,921,928.32
  5. Step 5: Solve for x
    x = 144,347,921,928.32/439,306.32
  6. Step 6: Final answer
    x = 328,581.48

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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.