Home / 761,049.20-1,050,255.61-459,184.88

Finding the Fourth Proportional to 761,049.20, 1,050,255.61 and 459,184.88

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Solution

The fourth proportional to 761,049.20, 1,050,255.61 and 459,184.88 is: 633,679.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,049.20 : 1,050,255.61 = 459,184.88 : x
  2. Step 2: Convert to fraction form
    761,049.20/1,050,255.61 = 459,184.88/x
  3. Step 3: Cross multiply
    761,049.20x = 1,050,255.61 × 459,184.88
  4. Step 4: Simplify right side
    761,049.20x = 482,261,489,847.94
  5. Step 5: Solve for x
    x = 482,261,489,847.94/761,049.20
  6. Step 6: Final answer
    x = 633,679.78

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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.