Home / 417,690.40-576,413.25-226,703.83

Finding the Fourth Proportional to 417,690.40, 576,413.25 and 226,703.83

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Solution

The fourth proportional to 417,690.40, 576,413.25 and 226,703.83 is: 312,851.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,690.40 : 576,413.25 = 226,703.83 : x
  2. Step 2: Convert to fraction form
    417,690.40/576,413.25 = 226,703.83/x
  3. Step 3: Cross multiply
    417,690.40x = 576,413.25 × 226,703.83
  4. Step 4: Simplify right side
    417,690.40x = 130,675,091,437.75
  5. Step 5: Solve for x
    x = 130,675,091,437.75/417,690.40
  6. Step 6: Final answer
    x = 312,851.56

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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.