Home / 460,932.32-691,398.79-145,413.83

Finding the Fourth Proportional to 460,932.32, 691,398.79 and 145,413.83

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Solution

The fourth proportional to 460,932.32, 691,398.79 and 145,413.83 is: 218,120.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,932.32 : 691,398.79 = 145,413.83 : x
  2. Step 2: Convert to fraction form
    460,932.32/691,398.79 = 145,413.83/x
  3. Step 3: Cross multiply
    460,932.32x = 691,398.79 × 145,413.83
  4. Step 4: Simplify right side
    460,932.32x = 100,538,947,476.23
  5. Step 5: Solve for x
    x = 100,538,947,476.23/460,932.32
  6. Step 6: Final answer
    x = 218,120.84

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1.5x scale

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.