Home / 454,081.20-681,121.80-383,222.40

Finding the Fourth Proportional to 454,081.20, 681,121.80 and 383,222.40

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Solution

The fourth proportional to 454,081.20, 681,121.80 and 383,222.40 is: 574,833.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,081.20 : 681,121.80 = 383,222.40 : x
  2. Step 2: Convert to fraction form
    454,081.20/681,121.80 = 383,222.40/x
  3. Step 3: Cross multiply
    454,081.20x = 681,121.80 × 383,222.40
  4. Step 4: Simplify right side
    454,081.20x = 261,021,130,888.32
  5. Step 5: Solve for x
    x = 261,021,130,888.32/454,081.20
  6. Step 6: Final answer
    x = 574,833.60

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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.