Home / 1,100,878.82-1,519,212.26-641,904.74

Finding the Fourth Proportional to 1,100,878.82, 1,519,212.26 and 641,904.74

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Solution

The fourth proportional to 1,100,878.82, 1,519,212.26 and 641,904.74 is: 885,828.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,100,878.82 : 1,519,212.26 = 641,904.74 : x
  2. Step 2: Convert to fraction form
    1,100,878.82/1,519,212.26 = 641,904.74/x
  3. Step 3: Cross multiply
    1,100,878.82x = 1,519,212.26 × 641,904.74
  4. Step 4: Simplify right side
    1,100,878.82x = 975,189,550,760.11
  5. Step 5: Solve for x
    x = 975,189,550,760.11/1,100,878.82
  6. Step 6: Final answer
    x = 885,828.24

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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.