Home / 526,914.60-727,141.32-285,197.10

Finding the Fourth Proportional to 526,914.60, 727,141.32 and 285,197.10

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Solution

The fourth proportional to 526,914.60, 727,141.32 and 285,197.10 is: 393,571.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,914.60 : 727,141.32 = 285,197.10 : x
  2. Step 2: Convert to fraction form
    526,914.60/727,141.32 = 285,197.10/x
  3. Step 3: Cross multiply
    526,914.60x = 727,141.32 × 285,197.10
  4. Step 4: Simplify right side
    526,914.60x = 207,378,595,754.17
  5. Step 5: Solve for x
    x = 207,378,595,754.17/526,914.60
  6. Step 6: Final answer
    x = 393,571.55

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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.