Home / 929,601.86-1,391,413.37-479,709.95

Finding the Fourth Proportional to 929,601.86, 1,391,413.37 and 479,709.95

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Solution

The fourth proportional to 929,601.86, 1,391,413.37 and 479,709.95 is: 718,022.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    929,601.86 : 1,391,413.37 = 479,709.95 : x
  2. Step 2: Convert to fraction form
    929,601.86/1,391,413.37 = 479,709.95/x
  3. Step 3: Cross multiply
    929,601.86x = 1,391,413.37 × 479,709.95
  4. Step 4: Simplify right side
    929,601.86x = 667,474,828,796.42
  5. Step 5: Solve for x
    x = 667,474,828,796.42/929,601.86
  6. Step 6: Final answer
    x = 718,022.26

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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.