Home / 2,591,253.60-3,886,880.40-818,325.60

Finding the Fourth Proportional to 2,591,253.60, 3,886,880.40 and 818,325.60

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Solution

The fourth proportional to 2,591,253.60, 3,886,880.40 and 818,325.60 is: 1,227,488.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,591,253.60 : 3,886,880.40 = 818,325.60 : x
  2. Step 2: Convert to fraction form
    2,591,253.60/3,886,880.40 = 818,325.60/x
  3. Step 3: Cross multiply
    2,591,253.60x = 3,886,880.40 × 818,325.60
  4. Step 4: Simplify right side
    2,591,253.60x = 3,180,733,735,458.24
  5. Step 5: Solve for x
    x = 3,180,733,735,458.24/2,591,253.60
  6. Step 6: Final answer
    x = 1,227,488.40

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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.