Home / 538,238.57-742,741.64-296,515.85

Finding the Fourth Proportional to 538,238.57, 742,741.64 and 296,515.85

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Solution

The fourth proportional to 538,238.57, 742,741.64 and 296,515.85 is: 409,176.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,238.57 : 742,741.64 = 296,515.85 : x
  2. Step 2: Convert to fraction form
    538,238.57/742,741.64 = 296,515.85/x
  3. Step 3: Cross multiply
    538,238.57x = 742,741.64 × 296,515.85
  4. Step 4: Simplify right side
    538,238.57x = 220,234,668,714.99
  5. Step 5: Solve for x
    x = 220,234,668,714.99/538,238.57
  6. Step 6: Final answer
    x = 409,176.68

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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.