Home / 3,138,324.40-4,707,486.60-863,844.40

Finding the Fourth Proportional to 3,138,324.40, 4,707,486.60 and 863,844.40

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Solution

The fourth proportional to 3,138,324.40, 4,707,486.60 and 863,844.40 is: 1,295,766.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,138,324.40 : 4,707,486.60 = 863,844.40 : x
  2. Step 2: Convert to fraction form
    3,138,324.40/4,707,486.60 = 863,844.40/x
  3. Step 3: Cross multiply
    3,138,324.40x = 4,707,486.60 × 863,844.40
  4. Step 4: Simplify right side
    3,138,324.40x = 4,066,535,937,485.04
  5. Step 5: Solve for x
    x = 4,066,535,937,485.04/3,138,324.40
  6. Step 6: Final answer
    x = 1,295,766.60

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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.