Home / 830,195.32-1,245,392.73-784,794.49

Finding the Fourth Proportional to 830,195.32, 1,245,392.73 and 784,794.49

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Solution

The fourth proportional to 830,195.32, 1,245,392.73 and 784,794.49 is: 1,177,286.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,195.32 : 1,245,392.73 = 784,794.49 : x
  2. Step 2: Convert to fraction form
    830,195.32/1,245,392.73 = 784,794.49/x
  3. Step 3: Cross multiply
    830,195.32x = 1,245,392.73 × 784,794.49
  4. Step 4: Simplify right side
    830,195.32x = 977,377,342,239.12
  5. Step 5: Solve for x
    x = 977,377,342,239.12/830,195.32
  6. Step 6: Final answer
    x = 1,177,286.02

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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.