Home / 645,223.60-967,836.97-195,947.89

Finding the Fourth Proportional to 645,223.60, 967,836.97 and 195,947.89

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Solution

The fourth proportional to 645,223.60, 967,836.97 and 195,947.89 is: 293,922.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    645,223.60 : 967,836.97 = 195,947.89 : x
  2. Step 2: Convert to fraction form
    645,223.60/967,836.97 = 195,947.89/x
  3. Step 3: Cross multiply
    645,223.60x = 967,836.97 × 195,947.89
  4. Step 4: Simplify right side
    645,223.60x = 189,645,609,960.84
  5. Step 5: Solve for x
    x = 189,645,609,960.84/645,223.60
  6. Step 6: Final answer
    x = 293,922.31

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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.