Home / 489,222.80-733,834.20-450,731.60

Finding the Fourth Proportional to 489,222.80, 733,834.20 and 450,731.60

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Solution

The fourth proportional to 489,222.80, 733,834.20 and 450,731.60 is: 676,097.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,222.80 : 733,834.20 = 450,731.60 : x
  2. Step 2: Convert to fraction form
    489,222.80/733,834.20 = 450,731.60/x
  3. Step 3: Cross multiply
    489,222.80x = 733,834.20 × 450,731.60
  4. Step 4: Simplify right side
    489,222.80x = 330,762,263,100.72
  5. Step 5: Solve for x
    x = 330,762,263,100.72/489,222.80
  6. Step 6: Final answer
    x = 676,097.40

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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.