Home / 3,258,999.70-4,888,499.55-863,214.10

Finding the Fourth Proportional to 3,258,999.70, 4,888,499.55 and 863,214.10

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Solution

The fourth proportional to 3,258,999.70, 4,888,499.55 and 863,214.10 is: 1,294,821.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,258,999.70 : 4,888,499.55 = 863,214.10 : x
  2. Step 2: Convert to fraction form
    3,258,999.70/4,888,499.55 = 863,214.10/x
  3. Step 3: Cross multiply
    3,258,999.70x = 4,888,499.55 × 863,214.10
  4. Step 4: Simplify right side
    3,258,999.70x = 4,219,821,739,403.66
  5. Step 5: Solve for x
    x = 4,219,821,739,403.66/3,258,999.70
  6. Step 6: Final answer
    x = 1,294,821.15

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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.