Home / 439,425.28-606,410.88-238,221.76

Finding the Fourth Proportional to 439,425.28, 606,410.88 and 238,221.76

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Solution

The fourth proportional to 439,425.28, 606,410.88 and 238,221.76 is: 328,748.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,425.28 : 606,410.88 = 238,221.76 : x
  2. Step 2: Convert to fraction form
    439,425.28/606,410.88 = 238,221.76/x
  3. Step 3: Cross multiply
    439,425.28x = 606,410.88 × 238,221.76
  4. Step 4: Simplify right side
    439,425.28x = 144,460,267,116.75
  5. Step 5: Solve for x
    x = 144,460,267,116.75/439,425.28
  6. Step 6: Final answer
    x = 328,748.19

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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.