Home / 651,704.20-976,778.70-272,624.20

Finding the Fourth Proportional to 651,704.20, 976,778.70 and 272,624.20

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Solution

The fourth proportional to 651,704.20, 976,778.70 and 272,624.20 is: 408,611.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,704.20 : 976,778.70 = 272,624.20 : x
  2. Step 2: Convert to fraction form
    651,704.20/976,778.70 = 272,624.20/x
  3. Step 3: Cross multiply
    651,704.20x = 976,778.70 × 272,624.20
  4. Step 4: Simplify right side
    651,704.20x = 266,293,511,664.54
  5. Step 5: Solve for x
    x = 266,293,511,664.54/651,704.20
  6. Step 6: Final answer
    x = 408,611.01

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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.