Home / 481,947.10-722,920.65-403,798.30

Finding the Fourth Proportional to 481,947.10, 722,920.65 and 403,798.30

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Solution

The fourth proportional to 481,947.10, 722,920.65 and 403,798.30 is: 605,697.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,947.10 : 722,920.65 = 403,798.30 : x
  2. Step 2: Convert to fraction form
    481,947.10/722,920.65 = 403,798.30/x
  3. Step 3: Cross multiply
    481,947.10x = 722,920.65 × 403,798.30
  4. Step 4: Simplify right side
    481,947.10x = 291,914,129,504.90
  5. Step 5: Solve for x
    x = 291,914,129,504.90/481,947.10
  6. Step 6: Final answer
    x = 605,697.45

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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.