Home / 1,128,675.22-1,557,616.73-619,395.82

Finding the Fourth Proportional to 1,128,675.22, 1,557,616.73 and 619,395.82

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Solution

The fourth proportional to 1,128,675.22, 1,557,616.73 and 619,395.82 is: 854,790.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,128,675.22 : 1,557,616.73 = 619,395.82 : x
  2. Step 2: Convert to fraction form
    1,128,675.22/1,557,616.73 = 619,395.82/x
  3. Step 3: Cross multiply
    1,128,675.22x = 1,557,616.73 × 619,395.82
  4. Step 4: Simplify right side
    1,128,675.22x = 964,781,291,724.07
  5. Step 5: Solve for x
    x = 964,781,291,724.07/1,128,675.22
  6. Step 6: Final answer
    x = 854,790.89

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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.