Home / 605,844.20-908,766.30-403,765.40

Finding the Fourth Proportional to 605,844.20, 908,766.30 and 403,765.40

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Solution

The fourth proportional to 605,844.20, 908,766.30 and 403,765.40 is: 605,648.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,844.20 : 908,766.30 = 403,765.40 : x
  2. Step 2: Convert to fraction form
    605,844.20/908,766.30 = 403,765.40/x
  3. Step 3: Cross multiply
    605,844.20x = 908,766.30 × 403,765.40
  4. Step 4: Simplify right side
    605,844.20x = 366,928,388,626.02
  5. Step 5: Solve for x
    x = 366,928,388,626.02/605,844.20
  6. Step 6: Final answer
    x = 605,648.10

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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.