Home / 538,680.11-743,383.58-296,971.35

Finding the Fourth Proportional to 538,680.11, 743,383.58 and 296,971.35

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Solution

The fourth proportional to 538,680.11, 743,383.58 and 296,971.35 is: 409,823.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,680.11 : 743,383.58 = 296,971.35 : x
  2. Step 2: Convert to fraction form
    538,680.11/743,383.58 = 296,971.35/x
  3. Step 3: Cross multiply
    538,680.11x = 743,383.58 × 296,971.35
  4. Step 4: Simplify right side
    538,680.11x = 220,763,621,047.89
  5. Step 5: Solve for x
    x = 220,763,621,047.89/538,680.11
  6. Step 6: Final answer
    x = 409,823.23

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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.