Home / 1,128,751.82-1,557,696.51-619,501.58

Finding the Fourth Proportional to 1,128,751.82, 1,557,696.51 and 619,501.58

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Solution

The fourth proportional to 1,128,751.82, 1,557,696.51 and 619,501.58 is: 854,922.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,128,751.82 : 1,557,696.51 = 619,501.58 : x
  2. Step 2: Convert to fraction form
    1,128,751.82/1,557,696.51 = 619,501.58/x
  3. Step 3: Cross multiply
    1,128,751.82x = 1,557,696.51 × 619,501.58
  4. Step 4: Simplify right side
    1,128,751.82x = 964,995,449,105.49
  5. Step 5: Solve for x
    x = 964,995,449,105.49/1,128,751.82
  6. Step 6: Final answer
    x = 854,922.61

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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.