Home / 1,256,702.42-1,734,197.77-683,742.85

Finding the Fourth Proportional to 1,256,702.42, 1,734,197.77 and 683,742.85

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Solution

The fourth proportional to 1,256,702.42, 1,734,197.77 and 683,742.85 is: 943,537.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,256,702.42 : 1,734,197.77 = 683,742.85 : x
  2. Step 2: Convert to fraction form
    1,256,702.42/1,734,197.77 = 683,742.85/x
  3. Step 3: Cross multiply
    1,256,702.42x = 1,734,197.77 × 683,742.85
  4. Step 4: Simplify right side
    1,256,702.42x = 1,185,745,325,723.44
  5. Step 5: Solve for x
    x = 1,185,745,325,723.44/1,256,702.42
  6. Step 6: Final answer
    x = 943,537.08

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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.