Home / 822,921.02-1,234,372.62-624,460.22

Finding the Fourth Proportional to 822,921.02, 1,234,372.62 and 624,460.22

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Solution

The fourth proportional to 822,921.02, 1,234,372.62 and 624,460.22 is: 936,683.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    822,921.02 : 1,234,372.62 = 624,460.22 : x
  2. Step 2: Convert to fraction form
    822,921.02/1,234,372.62 = 624,460.22/x
  3. Step 3: Cross multiply
    822,921.02x = 1,234,372.62 × 624,460.22
  4. Step 4: Simplify right side
    822,921.02x = 770,816,597,847.18
  5. Step 5: Solve for x
    x = 770,816,597,847.18/822,921.02
  6. Step 6: Final answer
    x = 936,683.57

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Double scale
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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.