Home / 820,648.19-1,132,683.46-481,225.79

Finding the Fourth Proportional to 820,648.19, 1,132,683.46 and 481,225.79

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Solution

The fourth proportional to 820,648.19, 1,132,683.46 and 481,225.79 is: 664,202.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    820,648.19 : 1,132,683.46 = 481,225.79 : x
  2. Step 2: Convert to fraction form
    820,648.19/1,132,683.46 = 481,225.79/x
  3. Step 3: Cross multiply
    820,648.19x = 1,132,683.46 × 481,225.79
  4. Step 4: Simplify right side
    820,648.19x = 545,076,494,487.08
  5. Step 5: Solve for x
    x = 545,076,494,487.08/820,648.19
  6. Step 6: Final answer
    x = 664,202.39

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Double scale
Find fourth proportional to 820,649.19, 1,132,684.84 and 481,226.79
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.