Home / 611,819.81-917,747.82-292,005.38

Finding the Fourth Proportional to 611,819.81, 917,747.82 and 292,005.38

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Solution

The fourth proportional to 611,819.81, 917,747.82 and 292,005.38 is: 438,016.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    611,819.81 : 917,747.82 = 292,005.38 : x
  2. Step 2: Convert to fraction form
    611,819.81/917,747.82 = 292,005.38/x
  3. Step 3: Cross multiply
    611,819.81x = 917,747.82 × 292,005.38
  4. Step 4: Simplify right side
    611,819.81x = 267,987,294,874.51
  5. Step 5: Solve for x
    x = 267,987,294,874.51/611,819.81
  6. Step 6: Final answer
    x = 438,016.70

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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.