Home / 4,853,855.20-7,280,782.80-1,307,999.20

Finding the Fourth Proportional to 4,853,855.20, 7,280,782.80 and 1,307,999.20

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Solution

The fourth proportional to 4,853,855.20, 7,280,782.80 and 1,307,999.20 is: 1,961,998.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,853,855.20 : 7,280,782.80 = 1,307,999.20 : x
  2. Step 2: Convert to fraction form
    4,853,855.20/7,280,782.80 = 1,307,999.20/x
  3. Step 3: Cross multiply
    4,853,855.20x = 7,280,782.80 × 1,307,999.20
  4. Step 4: Simplify right side
    4,853,855.20x = 9,523,258,077,773.76
  5. Step 5: Solve for x
    x = 9,523,258,077,773.76/4,853,855.20
  6. Step 6: Final answer
    x = 1,961,998.80

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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.