Home / 822,975.84-1,234,455.12-624,515.40

Finding the Fourth Proportional to 822,975.84, 1,234,455.12 and 624,515.40

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Solution

The fourth proportional to 822,975.84, 1,234,455.12 and 624,515.40 is: 936,766.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    822,975.84 : 1,234,455.12 = 624,515.40 : x
  2. Step 2: Convert to fraction form
    822,975.84/1,234,455.12 = 624,515.40/x
  3. Step 3: Cross multiply
    822,975.84x = 1,234,455.12 × 624,515.40
  4. Step 4: Simplify right side
    822,975.84x = 770,936,233,048.85
  5. Step 5: Solve for x
    x = 770,936,233,048.85/822,975.84
  6. Step 6: Final answer
    x = 936,766.54

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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.