Home / 538,135.27-742,599.24-296,412.64

Finding the Fourth Proportional to 538,135.27, 742,599.24 and 296,412.64

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Solution

The fourth proportional to 538,135.27, 742,599.24 and 296,412.64 is: 409,034.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,135.27 : 742,599.24 = 296,412.64 : x
  2. Step 2: Convert to fraction form
    538,135.27/742,599.24 = 296,412.64/x
  3. Step 3: Cross multiply
    538,135.27x = 742,599.24 × 296,412.64
  4. Step 4: Simplify right side
    538,135.27x = 220,115,801,190.39
  5. Step 5: Solve for x
    x = 220,115,801,190.39/538,135.27
  6. Step 6: Final answer
    x = 409,034.33

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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.