Home / 822,899.25-1,234,340.37-624,438.72

Finding the Fourth Proportional to 822,899.25, 1,234,340.37 and 624,438.72

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Solution

The fourth proportional to 822,899.25, 1,234,340.37 and 624,438.72 is: 936,651.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    822,899.25 : 1,234,340.37 = 624,438.72 : x
  2. Step 2: Convert to fraction form
    822,899.25/1,234,340.37 = 624,438.72/x
  3. Step 3: Cross multiply
    822,899.25x = 1,234,340.37 × 624,438.72
  4. Step 4: Simplify right side
    822,899.25x = 770,769,920,687.13
  5. Step 5: Solve for x
    x = 770,769,920,687.13/822,899.25
  6. Step 6: Final answer
    x = 936,651.63

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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.