Home / 1,592,855.20-2,389,252.08-394,780

Finding the Fourth Proportional to 1,592,855.20, 2,389,252.08 and 394,780

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Solution

The fourth proportional to 1,592,855.20, 2,389,252.08 and 394,780 is: 592,162.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,592,855.20 : 2,389,252.08 = 394,780 : x
  2. Step 2: Convert to fraction form
    1,592,855.20/2,389,252.08 = 394,780/x
  3. Step 3: Cross multiply
    1,592,855.20x = 2,389,252.08 × 394,780
  4. Step 4: Simplify right side
    1,592,855.20x = 943,228,936,142.40
  5. Step 5: Solve for x
    x = 943,228,936,142.40/1,592,855.20
  6. Step 6: Final answer
    x = 592,162.39

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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.