Home / 994,510.20-1,491,765.30-859,207.80

Finding the Fourth Proportional to 994,510.20, 1,491,765.30 and 859,207.80

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Solution

The fourth proportional to 994,510.20, 1,491,765.30 and 859,207.80 is: 1,288,811.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    994,510.20 : 1,491,765.30 = 859,207.80 : x
  2. Step 2: Convert to fraction form
    994,510.20/1,491,765.30 = 859,207.80/x
  3. Step 3: Cross multiply
    994,510.20x = 1,491,765.30 × 859,207.80
  4. Step 4: Simplify right side
    994,510.20x = 1,281,736,381,529.34
  5. Step 5: Solve for x
    x = 1,281,736,381,529.34/994,510.20
  6. Step 6: Final answer
    x = 1,288,811.70

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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.