Home / 6,799,217.40-10,198,826.10-6,400,308.60

Finding the Fourth Proportional to 6,799,217.40, 10,198,826.10 and 6,400,308.60

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Solution

The fourth proportional to 6,799,217.40, 10,198,826.10 and 6,400,308.60 is: 9,600,462.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,799,217.40 : 10,198,826.10 = 6,400,308.60 : x
  2. Step 2: Convert to fraction form
    6,799,217.40/10,198,826.10 = 6,400,308.60/x
  3. Step 3: Cross multiply
    6,799,217.40x = 10,198,826.10 × 6,400,308.60
  4. Step 4: Simplify right side
    6,799,217.40x = 65,275,634,397,734.45
  5. Step 5: Solve for x
    x = 65,275,634,397,734.45/6,799,217.40
  6. Step 6: Final answer
    x = 9,600,462.90

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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.