Home / 527,011.08-727,279.20-294,438.48

Finding the Fourth Proportional to 527,011.08, 727,279.20 and 294,438.48

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Solution

The fourth proportional to 527,011.08, 727,279.20 and 294,438.48 is: 406,327.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,011.08 : 727,279.20 = 294,438.48 : x
  2. Step 2: Convert to fraction form
    527,011.08/727,279.20 = 294,438.48/x
  3. Step 3: Cross multiply
    527,011.08x = 727,279.20 × 294,438.48
  4. Step 4: Simplify right side
    527,011.08x = 214,138,982,183.62
  5. Step 5: Solve for x
    x = 214,138,982,183.62/527,011.08
  6. Step 6: Final answer
    x = 406,327.29

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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.