Home / 853,928.76-1,177,658.94-708,504.30

Finding the Fourth Proportional to 853,928.76, 1,177,658.94 and 708,504.30

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Solution

The fourth proportional to 853,928.76, 1,177,658.94 and 708,504.30 is: 977,103.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,928.76 : 1,177,658.94 = 708,504.30 : x
  2. Step 2: Convert to fraction form
    853,928.76/1,177,658.94 = 708,504.30/x
  3. Step 3: Cross multiply
    853,928.76x = 1,177,658.94 × 708,504.30
  4. Step 4: Simplify right side
    853,928.76x = 834,376,422,923.44
  5. Step 5: Solve for x
    x = 834,376,422,923.44/853,928.76
  6. Step 6: Final answer
    x = 977,103.08

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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.