Home / 592,328.37-817,413.25-320,396.18

Finding the Fourth Proportional to 592,328.37, 817,413.25 and 320,396.18

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Solution

The fourth proportional to 592,328.37, 817,413.25 and 320,396.18 is: 442,146.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    592,328.37 : 817,413.25 = 320,396.18 : x
  2. Step 2: Convert to fraction form
    592,328.37/817,413.25 = 320,396.18/x
  3. Step 3: Cross multiply
    592,328.37x = 817,413.25 × 320,396.18
  4. Step 4: Simplify right side
    592,328.37x = 261,896,079,891.93
  5. Step 5: Solve for x
    x = 261,896,079,891.93/592,328.37
  6. Step 6: Final answer
    x = 442,146.78

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1.5x scale

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.