Home / 546,932.70-820,399.05-191,982.60

Finding the Fourth Proportional to 546,932.70, 820,399.05 and 191,982.60

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Solution

The fourth proportional to 546,932.70, 820,399.05 and 191,982.60 is: 287,973.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,932.70 : 820,399.05 = 191,982.60 : x
  2. Step 2: Convert to fraction form
    546,932.70/820,399.05 = 191,982.60/x
  3. Step 3: Cross multiply
    546,932.70x = 820,399.05 × 191,982.60
  4. Step 4: Simplify right side
    546,932.70x = 157,502,342,656.53
  5. Step 5: Solve for x
    x = 157,502,342,656.53/546,932.70
  6. Step 6: Final answer
    x = 287,973.90

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Similar ratio
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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.