Home / 521,739.09-719,836.52-292,265.38

Finding the Fourth Proportional to 521,739.09, 719,836.52 and 292,265.38

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Solution

The fourth proportional to 521,739.09, 719,836.52 and 292,265.38 is: 403,234.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    521,739.09 : 719,836.52 = 292,265.38 : x
  2. Step 2: Convert to fraction form
    521,739.09/719,836.52 = 292,265.38/x
  3. Step 3: Cross multiply
    521,739.09x = 719,836.52 × 292,265.38
  4. Step 4: Simplify right side
    521,739.09x = 210,383,295,138.14
  5. Step 5: Solve for x
    x = 210,383,295,138.14/521,739.09
  6. Step 6: Final answer
    x = 403,234.68

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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.