Home / 1,128,466.53-1,557,279-619,157.97

Finding the Fourth Proportional to 1,128,466.53, 1,557,279 and 619,157.97

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Solution

The fourth proportional to 1,128,466.53, 1,557,279 and 619,157.97 is: 854,435.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,128,466.53 : 1,557,279 = 619,157.97 : x
  2. Step 2: Convert to fraction form
    1,128,466.53/1,557,279 = 619,157.97/x
  3. Step 3: Cross multiply
    1,128,466.53x = 1,557,279 × 619,157.97
  4. Step 4: Simplify right side
    1,128,466.53x = 964,201,704,363.63
  5. Step 5: Solve for x
    x = 964,201,704,363.63/1,128,466.53
  6. Step 6: Final answer
    x = 854,435.36

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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.