Home / 676,128.33-932,783.64-404,040.93

Finding the Fourth Proportional to 676,128.33, 932,783.64 and 404,040.93

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Solution

The fourth proportional to 676,128.33, 932,783.64 and 404,040.93 is: 557,413.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,128.33 : 932,783.64 = 404,040.93 : x
  2. Step 2: Convert to fraction form
    676,128.33/932,783.64 = 404,040.93/x
  3. Step 3: Cross multiply
    676,128.33x = 932,783.64 × 404,040.93
  4. Step 4: Simplify right side
    676,128.33x = 376,882,769,394.39
  5. Step 5: Solve for x
    x = 376,882,769,394.39/676,128.33
  6. Step 6: Final answer
    x = 557,413.07

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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.