Home / 526,829.92-727,025.25-285,112.55

Finding the Fourth Proportional to 526,829.92, 727,025.25 and 285,112.55

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Solution

The fourth proportional to 526,829.92, 727,025.25 and 285,112.55 is: 393,455.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,829.92 : 727,025.25 = 285,112.55 : x
  2. Step 2: Convert to fraction form
    526,829.92/727,025.25 = 285,112.55/x
  3. Step 3: Cross multiply
    526,829.92x = 727,025.25 × 285,112.55
  4. Step 4: Simplify right side
    526,829.92x = 207,284,018,311.09
  5. Step 5: Solve for x
    x = 207,284,018,311.09/526,829.92
  6. Step 6: Final answer
    x = 393,455.29

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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.