Home / 657,091.19-906,794.39-381,513.65

Finding the Fourth Proportional to 657,091.19, 906,794.39 and 381,513.65

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Solution

The fourth proportional to 657,091.19, 906,794.39 and 381,513.65 is: 526,493.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,091.19 : 906,794.39 = 381,513.65 : x
  2. Step 2: Convert to fraction form
    657,091.19/906,794.39 = 381,513.65/x
  3. Step 3: Cross multiply
    657,091.19x = 906,794.39 × 381,513.65
  4. Step 4: Simplify right side
    657,091.19x = 345,954,433,948.24
  5. Step 5: Solve for x
    x = 345,954,433,948.24/657,091.19
  6. Step 6: Final answer
    x = 526,493.80

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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.