Home / 481,945.10-722,917.65-403,796.30

Finding the Fourth Proportional to 481,945.10, 722,917.65 and 403,796.30

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Solution

The fourth proportional to 481,945.10, 722,917.65 and 403,796.30 is: 605,694.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,945.10 : 722,917.65 = 403,796.30 : x
  2. Step 2: Convert to fraction form
    481,945.10/722,917.65 = 403,796.30/x
  3. Step 3: Cross multiply
    481,945.10x = 722,917.65 × 403,796.30
  4. Step 4: Simplify right side
    481,945.10x = 291,911,472,274.70
  5. Step 5: Solve for x
    x = 291,911,472,274.70/481,945.10
  6. Step 6: Final answer
    x = 605,694.45

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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.