Home / 1,128,676.22-1,557,618.11-619,396.82

Finding the Fourth Proportional to 1,128,676.22, 1,557,618.11 and 619,396.82

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Solution

The fourth proportional to 1,128,676.22, 1,557,618.11 and 619,396.82 is: 854,792.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,128,676.22 : 1,557,618.11 = 619,396.82 : x
  2. Step 2: Convert to fraction form
    1,128,676.22/1,557,618.11 = 619,396.82/x
  3. Step 3: Cross multiply
    1,128,676.22x = 1,557,618.11 × 619,396.82
  4. Step 4: Simplify right side
    1,128,676.22x = 964,783,704,108.41
  5. Step 5: Solve for x
    x = 964,783,704,108.41/1,128,676.22
  6. Step 6: Final answer
    x = 854,792.27

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1.5x scale

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.