Home / 5,257,377.20-7,886,065.80-4,938,512.60

Finding the Fourth Proportional to 5,257,377.20, 7,886,065.80 and 4,938,512.60

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Solution

The fourth proportional to 5,257,377.20, 7,886,065.80 and 4,938,512.60 is: 7,407,768.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,257,377.20 : 7,886,065.80 = 4,938,512.60 : x
  2. Step 2: Convert to fraction form
    5,257,377.20/7,886,065.80 = 4,938,512.60/x
  3. Step 3: Cross multiply
    5,257,377.20x = 7,886,065.80 × 4,938,512.60
  4. Step 4: Simplify right side
    5,257,377.20x = 38,945,435,317,729.08
  5. Step 5: Solve for x
    x = 38,945,435,317,729.08/5,257,377.20
  6. Step 6: Final answer
    x = 7,407,768.90

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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.