Home / 791,079.58-1,091,611.62-442,154.67

Finding the Fourth Proportional to 791,079.58, 1,091,611.62 and 442,154.67

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Solution

The fourth proportional to 791,079.58, 1,091,611.62 and 442,154.67 is: 610,129.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,079.58 : 1,091,611.62 = 442,154.67 : x
  2. Step 2: Convert to fraction form
    791,079.58/1,091,611.62 = 442,154.67/x
  3. Step 3: Cross multiply
    791,079.58x = 1,091,611.62 × 442,154.67
  4. Step 4: Simplify right side
    791,079.58x = 482,661,171,515.72
  5. Step 5: Solve for x
    x = 482,661,171,515.72/791,079.58
  6. Step 6: Final answer
    x = 610,129.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.