Home / 526,824.84-727,016.94-285,107.88

Finding the Fourth Proportional to 526,824.84, 727,016.94 and 285,107.88

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Solution

The fourth proportional to 526,824.84, 727,016.94 and 285,107.88 is: 393,448.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,824.84 : 727,016.94 = 285,107.88 : x
  2. Step 2: Convert to fraction form
    526,824.84/727,016.94 = 285,107.88/x
  3. Step 3: Cross multiply
    526,824.84x = 727,016.94 × 285,107.88
  4. Step 4: Simplify right side
    526,824.84x = 207,278,258,487.49
  5. Step 5: Solve for x
    x = 207,278,258,487.49/526,824.84
  6. Step 6: Final answer
    x = 393,448.15

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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.