Home / 526,815.97-727,000.32-285,093.34

Finding the Fourth Proportional to 526,815.97, 727,000.32 and 285,093.34

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Solution

The fourth proportional to 526,815.97, 727,000.32 and 285,093.34 is: 393,425.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,815.97 : 727,000.32 = 285,093.34 : x
  2. Step 2: Convert to fraction form
    526,815.97/727,000.32 = 285,093.34/x
  3. Step 3: Cross multiply
    526,815.97x = 727,000.32 × 285,093.34
  4. Step 4: Simplify right side
    526,815.97x = 207,262,949,409.87
  5. Step 5: Solve for x
    x = 207,262,949,409.87/526,815.97
  6. Step 6: Final answer
    x = 393,425.71

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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.