Home / 771,611.70-1,156,994.72-238,984.86

Finding the Fourth Proportional to 771,611.70, 1,156,994.72 and 238,984.86

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Solution

The fourth proportional to 771,611.70, 1,156,994.72 and 238,984.86 is: 358,346.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,611.70 : 1,156,994.72 = 238,984.86 : x
  2. Step 2: Convert to fraction form
    771,611.70/1,156,994.72 = 238,984.86/x
  3. Step 3: Cross multiply
    771,611.70x = 1,156,994.72 × 238,984.86
  4. Step 4: Simplify right side
    771,611.70x = 276,504,221,179.94
  5. Step 5: Solve for x
    x = 276,504,221,179.94/771,611.70
  6. Step 6: Final answer
    x = 358,346.33

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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.