Home / 1,040,809.20-1,561,507.56-292,861.68

Finding the Fourth Proportional to 1,040,809.20, 1,561,507.56 and 292,861.68

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Solution

The fourth proportional to 1,040,809.20, 1,561,507.56 and 292,861.68 is: 439,375.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,040,809.20 : 1,561,507.56 = 292,861.68 : x
  2. Step 2: Convert to fraction form
    1,040,809.20/1,561,507.56 = 292,861.68/x
  3. Step 3: Cross multiply
    1,040,809.20x = 1,561,507.56 × 292,861.68
  4. Step 4: Simplify right side
    1,040,809.20x = 457,305,727,354.30
  5. Step 5: Solve for x
    x = 457,305,727,354.30/1,040,809.20
  6. Step 6: Final answer
    x = 439,375.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.