Home / 1,256,698.80-1,885,179.24-403,554.96

Finding the Fourth Proportional to 1,256,698.80, 1,885,179.24 and 403,554.96

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Solution

The fourth proportional to 1,256,698.80, 1,885,179.24 and 403,554.96 is: 605,374.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,256,698.80 : 1,885,179.24 = 403,554.96 : x
  2. Step 2: Convert to fraction form
    1,256,698.80/1,885,179.24 = 403,554.96/x
  3. Step 3: Cross multiply
    1,256,698.80x = 1,885,179.24 × 403,554.96
  4. Step 4: Simplify right side
    1,256,698.80x = 760,773,432,791.03
  5. Step 5: Solve for x
    x = 760,773,432,791.03/1,256,698.80
  6. Step 6: Final answer
    x = 605,374.52

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.