Home / 5,760,216.40-8,640,324.60-5,480,280.40

Finding the Fourth Proportional to 5,760,216.40, 8,640,324.60 and 5,480,280.40

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Solution

The fourth proportional to 5,760,216.40, 8,640,324.60 and 5,480,280.40 is: 8,220,420.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,760,216.40 : 8,640,324.60 = 5,480,280.40 : x
  2. Step 2: Convert to fraction form
    5,760,216.40/8,640,324.60 = 5,480,280.40/x
  3. Step 3: Cross multiply
    5,760,216.40x = 8,640,324.60 × 5,480,280.40
  4. Step 4: Simplify right side
    5,760,216.40x = 47,351,401,555,017.84
  5. Step 5: Solve for x
    x = 47,351,401,555,017.84/5,760,216.40
  6. Step 6: Final answer
    x = 8,220,420.60

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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.