Home / 279,413.38-417,091.51-258,597.46

Finding the Fourth Proportional to 279,413.38, 417,091.51 and 258,597.46

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Solution

The fourth proportional to 279,413.38, 417,091.51 and 258,597.46 is: 386,018.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,413.38 : 417,091.51 = 258,597.46 : x
  2. Step 2: Convert to fraction form
    279,413.38/417,091.51 = 258,597.46/x
  3. Step 3: Cross multiply
    279,413.38x = 417,091.51 × 258,597.46
  4. Step 4: Simplify right side
    279,413.38x = 107,858,805,073.57
  5. Step 5: Solve for x
    x = 107,858,805,073.57/279,413.38
  6. Step 6: Final answer
    x = 386,018.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.