Home / 1,960,212.52-2,939,787.78-539,930.80

Finding the Fourth Proportional to 1,960,212.52, 2,939,787.78 and 539,930.80

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Solution

The fourth proportional to 1,960,212.52, 2,939,787.78 and 539,930.80 is: 809,749.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,960,212.52 : 2,939,787.78 = 539,930.80 : x
  2. Step 2: Convert to fraction form
    1,960,212.52/2,939,787.78 = 539,930.80/x
  3. Step 3: Cross multiply
    1,960,212.52x = 2,939,787.78 × 539,930.80
  4. Step 4: Simplify right side
    1,960,212.52x = 1,587,281,967,885.62
  5. Step 5: Solve for x
    x = 1,587,281,967,885.62/1,960,212.52
  6. Step 6: Final answer
    x = 809,749.94

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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.