Home / 890,534.20-1,336,676.10-441,761.80

Finding the Fourth Proportional to 890,534.20, 1,336,676.10 and 441,761.80

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Solution

The fourth proportional to 890,534.20, 1,336,676.10 and 441,761.80 is: 663,076.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,534.20 : 1,336,676.10 = 441,761.80 : x
  2. Step 2: Convert to fraction form
    890,534.20/1,336,676.10 = 441,761.80/x
  3. Step 3: Cross multiply
    890,534.20x = 1,336,676.10 × 441,761.80
  4. Step 4: Simplify right side
    890,534.20x = 590,492,439,952.98
  5. Step 5: Solve for x
    x = 590,492,439,952.98/890,534.20
  6. Step 6: Final answer
    x = 663,076.66

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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.