Home / 1,786,744.20-2,679,809.10-664,235.40

Finding the Fourth Proportional to 1,786,744.20, 2,679,809.10 and 664,235.40

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Solution

The fourth proportional to 1,786,744.20, 2,679,809.10 and 664,235.40 is: 996,238.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,786,744.20 : 2,679,809.10 = 664,235.40 : x
  2. Step 2: Convert to fraction form
    1,786,744.20/2,679,809.10 = 664,235.40/x
  3. Step 3: Cross multiply
    1,786,744.20x = 2,679,809.10 × 664,235.40
  4. Step 4: Simplify right side
    1,786,744.20x = 1,780,024,069,462.14
  5. Step 5: Solve for x
    x = 1,780,024,069,462.14/1,786,744.20
  6. Step 6: Final answer
    x = 996,238.90

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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.