Home / 1,208,404.54-1,667,565.01-664,540.33

Finding the Fourth Proportional to 1,208,404.54, 1,667,565.01 and 664,540.33

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Solution

The fourth proportional to 1,208,404.54, 1,667,565.01 and 664,540.33 is: 917,047.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,208,404.54 : 1,667,565.01 = 664,540.33 : x
  2. Step 2: Convert to fraction form
    1,208,404.54/1,667,565.01 = 664,540.33/x
  3. Step 3: Cross multiply
    1,208,404.54x = 1,667,565.01 × 664,540.33
  4. Step 4: Simplify right side
    1,208,404.54x = 1,108,164,196,205.73
  5. Step 5: Solve for x
    x = 1,108,164,196,205.73/1,208,404.54
  6. Step 6: Final answer
    x = 917,047.36

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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.