Home / 538,110.72-742,597.92-296,394.30

Finding the Fourth Proportional to 538,110.72, 742,597.92 and 296,394.30

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Solution

The fourth proportional to 538,110.72, 742,597.92 and 296,394.30 is: 409,026.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,110.72 : 742,597.92 = 296,394.30 : x
  2. Step 2: Convert to fraction form
    538,110.72/742,597.92 = 296,394.30/x
  3. Step 3: Cross multiply
    538,110.72x = 742,597.92 × 296,394.30
  4. Step 4: Simplify right side
    538,110.72x = 220,101,790,679.86
  5. Step 5: Solve for x
    x = 220,101,790,679.86/538,110.72
  6. Step 6: Final answer
    x = 409,026.96

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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.