Home / 1,256,778.24-1,734,734.88-854,603.52

Finding the Fourth Proportional to 1,256,778.24, 1,734,734.88 and 854,603.52

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Solution

The fourth proportional to 1,256,778.24, 1,734,734.88 and 854,603.52 is: 1,179,611.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,256,778.24 : 1,734,734.88 = 854,603.52 : x
  2. Step 2: Convert to fraction form
    1,256,778.24/1,734,734.88 = 854,603.52/x
  3. Step 3: Cross multiply
    1,256,778.24x = 1,734,734.88 × 854,603.52
  4. Step 4: Simplify right side
    1,256,778.24x = 1,482,510,534,714.78
  5. Step 5: Solve for x
    x = 1,482,510,534,714.78/1,256,778.24
  6. Step 6: Final answer
    x = 1,179,611.87

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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.