Home / 576,669.30-865,189.03-277,171.60

Finding the Fourth Proportional to 576,669.30, 865,189.03 and 277,171.60

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Solution

The fourth proportional to 576,669.30, 865,189.03 and 277,171.60 is: 415,846.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,669.30 : 865,189.03 = 277,171.60 : x
  2. Step 2: Convert to fraction form
    576,669.30/865,189.03 = 277,171.60/x
  3. Step 3: Cross multiply
    576,669.30x = 865,189.03 × 277,171.60
  4. Step 4: Simplify right side
    576,669.30x = 239,805,824,828.51
  5. Step 5: Solve for x
    x = 239,805,824,828.51/576,669.30
  6. Step 6: Final answer
    x = 415,846.35

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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.