Home / 481,949.10-722,923.65-403,800.30

Finding the Fourth Proportional to 481,949.10, 722,923.65 and 403,800.30

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Solution

The fourth proportional to 481,949.10, 722,923.65 and 403,800.30 is: 605,700.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,949.10 : 722,923.65 = 403,800.30 : x
  2. Step 2: Convert to fraction form
    481,949.10/722,923.65 = 403,800.30/x
  3. Step 3: Cross multiply
    481,949.10x = 722,923.65 × 403,800.30
  4. Step 4: Simplify right side
    481,949.10x = 291,916,786,747.10
  5. Step 5: Solve for x
    x = 291,916,786,747.10/481,949.10
  6. Step 6: Final answer
    x = 605,700.45

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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.