Home / 454,413.20-681,619.80-288,934.80

Finding the Fourth Proportional to 454,413.20, 681,619.80 and 288,934.80

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Solution

The fourth proportional to 454,413.20, 681,619.80 and 288,934.80 is: 433,402.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,413.20 : 681,619.80 = 288,934.80 : x
  2. Step 2: Convert to fraction form
    454,413.20/681,619.80 = 288,934.80/x
  3. Step 3: Cross multiply
    454,413.20x = 681,619.80 × 288,934.80
  4. Step 4: Simplify right side
    454,413.20x = 196,943,680,589.04
  5. Step 5: Solve for x
    x = 196,943,680,589.04/454,413.20
  6. Step 6: Final answer
    x = 433,402.20

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Similar ratio
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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.